小学四年级下册全册数学口算题总汇(A4).doc

/* 四年级数学口算题(1)。 姓名：________________ 分数：____________ 把下面的分数、小数互化。 0.14= 0.9= 0.10= 0.54= 0.101= 0.125= 0.8= 0.39= 0.91= 0.04= 0.320= 0.01= 0.007= 0.37= 0.12= 0.40= 0.04= 0.54= 0.943= 0.50= 0.390= 四年级数学口算题(2)。 姓名：________________ 分数：____________ 小数的大小比较(1) 在○里填上“＞”、“＜”或“=”。 3○3.8 6.5○6.50 2.45○2.08 0.01○0.1 1○1.01 4.85○3.94 5.40○5.4 1.5○1.60 4.8○4.08 2.7○2.95 0○0.01 0.04○0.10 15.4○15.54 0.6○1.1 2.889○2.9 8.92○82.9 2.7○2.67 1.33○1.333 5○4.98 2.15○2.25 2.74○2.47 4.6○4.06 2.54○2.51 6.18○1.86 3○2.98 6.49○6.5 9.9○10.1 4.25○4.30 11.4○10.67 7.8○8.7 3.96○3.69 0.18○0.81 4.4○4.05 6.75○6.78 7.5○5.7 0.51○0.508 0.1○0.100 1.34○1.43 7.4○7.04 0.6○0.60 1.25○1.025 3.14○31.4 4.95○5 4.8○4.99 0.09○0.90 5.7○4.71 1.04○1.035 12.5○15.1 3.87○3.09 8○7.999 0.35○0.53 四年级数学口算题(3) 姓名：________________ 分数：________________ 58厘米=（ ）米 540克=（ ）千克 7元8角3分=（ ）元 8千克10克=（ ）千克 1米70厘米=（ ）米 600毫米=（ ）米 150克=（ ）千克 10.04吨=（ ）吨（ ）千克 178厘米=（ ）米（ ）分米（ ）厘米 150克=（）千克； 86厘米=（）米 11厘米=（）米； 76分米=（）米 5厘米=（）米； 182米=（）千米 231克=（）千克； 18克=（）千克 745毫米=（）米； 789克=（）千克； 5米80厘米=（）米 2元4角9分=（）元； 7吨60千克=（）吨 30千克=（ ）吨； 3米6分米=（ ）米 8米15厘米=（ ）米； 3元7角=（ ）元 5分=（ ）元 15角=（ ）元 8元10分=（ ）元 70克=（ ）千克 60厘米=（ ）米 560克=（ ）千克 108千克=（ ）吨 13角=（ ）元 80分=（ ）元 46毫米=（ ）米 370米=（ ）千米 3米50厘米=（ ）米 29千克=（ ）吨 7.06米=（ ）米（ ）厘米 四年级数学口算题(4) 姓名：________________ 分数：________________ 6.63米=（ ）米（ ）分米（ ）厘米 6.48元=（ ）元（ ）角（ ）分 567克=（ ）千克 28克=（ ）千克 50厘米=（ ）米 39分米=（ ）米 68角=（ ）元 37分=（ ）元 576千克=（ ）吨 7角8分=（ ）元 800毫米=（ ）米 69厘米=（ ）分米 49毫米=（ ）厘米 60分=（ ）角 7.62○6.72 0.29○0.32 4.5○5.01 0.25○0.51 0.4○0.41 1.38○1.39 0.1○0.01 1.14○1.41 6.6○6.578 3.89○3.98 6.78○7.86 0.25○0.26 4.5○4.19 4.5○5.4 3.6○3.76 0○0.04 5.5○5.9 5.15○5.3 2.45○2.48 0.12○0.21 5.6○5.60 2.99○2.999 0.20○0.19 5.14○5.3 0.27○0.179 5.389○6.0 0.93○0.930 4.79○4.59 5.80○6.08 4○4.000 7.9○8.0 3.91○3.09 9.00○9 7.8○3.9 1.872○2 0.57○0.75 5.899○6 7.001○5.9 6.99○7 第二大周口算测试 一位小数加法（一） 姓名：____________ 班级:______________ 1.5+8.5= 5.4+8.2= 3.6+1.8= 3.3+7.9= 2.4+6.8= 8.1+7.9= 14.3+1.4= 9.2+1.3= 1.6+3.9= 1.8+7.4= 15.4+3.6= 0.4+1.6= 2.8+3.6= 3.6+4.7= 6.5+1.9= 0.6+0.7= 1.5+3.8= 6.2+9.9= 11.5+11.4= 0.8+3.4= 4.4+1.7= 0.8+2.3= 3.5+4.4= 15.7+0.3= 1.7+4= 7.2+1.5= 2.1+6.2= 5.6+2.3= 2.5+4.5= 3.8+0.5= 1.3+6.7= 0.6+2.5= 3.2+2.1= 3.6+4.2= 4.3+5.6= 2.4+4.0= 1.3+2.1= 2.8+3.5= 4.6+2.1= 1.7+4.5= 6.7+4.2= 1.6+8.0= 3.5+6.7= 8.9+9.4= 1.3+5= 3.2+2.1= 5.7+8.5= 0.8+5.4= 1.4+6.2= 2+3.3= 5.5+6.0= 5.2+4.8= 4.1+2.8= 3.2+3.3= 6.4+2.9= 3.4+1.6= 5.2+4.8= 8.1+2.1= 0.8+1.3= 1.2+1.6= 第二大周 口算测试 一位小数加法（二） 姓名:____________ 班级:_______________ 1.7+7.2= 6.8+9.1= 3.4+5.5= 0.8+5.1= 3.4+1.8= 1.1+3.5= 4.6+8.1= 4.5+1.2= 9.0+7.6= 1.9+3.4= 4.5+5.5= 5.6+5.4= 7.3+1.7= 0.9+3.5= 5.3+6.4= 4.6+7.8= 1.2+4.3= 4.2+2.1= 3.7+3.2= 1.4+2.4= 8.1+0.5= 0.3+3.2= 6.3+2.5= 4.6+1.4= 0.9+0.8= 0.5+0.3= 3.5+7.8= 1.1+12= 3.5+7.3= 9.8+4.5= 5.6+7.6= 3.4+1.9= 4.5+2.3= 5.7+8.4= 1.8+0.9= 5.8+9.8= 1.3+5.7= 8.9+4.5= 1.6+0.5= 4.5+7.5= 3.6+6.2= 6.5+6.1= 3.5+7.6= 7.5+7.1= 0.7+4.3= 5.1+0.5= 5.3+5.1= 7.8+2.4= 4.5+7.1= 4.1+7.2= 0.9+0.6= 9.7+8.6= 8.6+4.3= 0.9+4= 2.6+3.5= 6.7+1.4= 6.3+6.2= 6.3+5.1= 8.9+0.3= 5.5+1.7= 第二大周 口算测试 一位小数的减法（一） 姓名:__________ 班级:__________ 8.7-3.5= 3.2-2.1= 8-3.2= 10.2-6.2= 6-0.4= 8.3-7= 4.7-4.3= 8.2-5.2= 2.6-0.8= 4.7-2.5= 8.4-0.6= 5.7-3.7= 1-0.9= 3.5-1.3= 3.5-3.4= 9.7-5.4= 4.3-1.4= 7.1-0.2= 8.2-6.8= 6.9-2.5= 2.1-1.7= 6.8-2.9= 4.3-1.2= 6.9-1.2= 3.9-0.8= 1.5-0.8= 5.1-3.4= 3.4-2.3= 6.7-3.1= 8.3-3.3= 8.8-3.2= 12.3-4.5= 5.1-0.9= 1.2-0.3= 4.2-0.1= 7.8-3= 2.2-0.6= 8.9-5.4= 2.7-1.2= 8.5-7.6= 5.2-0.9= 6.2-2= 8.4-6.2= 6.3-4.1= 3.2-1.9= 7.1-5.4= 9.8-5.4= 8.4-4.2= 3.8-0.2= 7.9-0.1= 6.7-6.4= 1.2-0.9= 1.4-0.7= 3.4-1.2= 5.3-3.2= 5.1-2 = 6.7-3.4= 9.6-5.2= 6.7-2.9= 7.1-4.8= 第二大周 口算测试 一位小数的减法（二） 姓名:__________ 班级:__________ 5.3-2.7= 2.6-0.5= 7.5-7.2= 4.3-0.1= 6.1-3.0= 6.5-2.2= 70-0.5= 4.3-2.3= 6.2.-1.4= 4.5-1.2= 8.6-5.3= 3.7-1.5= 7.3-4.1= 7.4-2.4= 3.1-1.8= 8.2-7.1= 8.6-3.6= 9.6-2.2= 5.4-3.2= 8.4-5.1= 6.2-3.2= 3.1-0.2= 3.7-1.7= 4.3-2.1= 6.4-1.9= 4.5-2.7= 9.5-2.3= 6.7-2.1= 8.4-7.4= 6.3-2.4= 3.7-2.7= 7.5-4 = 2.3-1= 6.3-2.6= 2.4-0.5= 3.2-1.1= 5.2-1.6= 7.3-2.6= 5.4-1.2= 7.4-6.3= 5.1-3.4= 6.2-4.1= 7.5-3.7= 7.4-3.5= 5.3-5= 6.4-5.2= 8.3-5.1= 7.2-5.1= 5-2.3= 6.5-4.3= 7.1-4.3= 5.6-7.3= 5.1-0.8= 5.3-5.1= 5.1-5= 7.5-3.1= 5.4-1.2= 5.5-3.4= 7.3-2.3= 5.4-2.1= 7.3-5.2= 7.2-4.1= 7.3-1.6= 第三大周 口算测试 两位小数加法（一） 姓名---------- 班级------------- 3.12+3.21= 4.12+1.23= 5.43+0.75= 8.21+5.12= 3.15+5.01= 4.52+6.80= 4.03+4.12= 4.75+0.80= 0.21+5.61= 7.06+5.63= 5.31+0.61= 8.02+0.80= 5.55+2.11= 4.09+2.01= 5.13+4.12= 4.60+0.08= 2.43+0.12= 7.23+7.01= 8.34+5.12= 7.23+9.01= 1.01+3.12= 3.54+0.01= 4.27+7.10= 4.01+4.15= 0.12+0.09= 0.14+0.23= 5.13+7.12= 4.14+3.02= 3.13+7.02= 8.31+0.31= 8.71+7.12= 6.41+6.21= 8.04+5.02= 6.03+5.02= 5.21+5.21= 6.03+2.31= 4.12+0.23= 2.13+4.12= 0.02+0.51= 0.54+2.01= 3.02+8.02= 8.03+2.10= 3.24+4.02= 8.23+2.21= 2.3+4.32= 3.12+4.23= 7.02+3.01= 4.23+6.34= 4.23+3.121= 4.53+5.23= 5.72+9.01= 3.24+6.12= 4.34+3.24= 6.43+4.43= 3.54+6.35= 6.23+6.24= 6.24+4.36= 5.63+5.24= 4.25+5.04= 0.03+2.90= 第三大周 口算测试 两位小数加法（二） 姓名---------- 班级-------------- 3.47+8.24= 5.32+6.15= 7.34+5.46= 3.45+6.14= 2.13+3.45= 3.23+4.12= 4.12+6.23= 5.35+3.24= 6.12+5.14= 6.01+0.10= 0.23+0.14= 0.14+0.46= 3.04+6.12= 4.01+5.23= 5.01+3.13= 2.34+4.34= 0.12+0.02= 0.23+4.23= 0.12+3.23= 0.23+0.04= 2.03+1.45= 7.45+4.35= 2.34+3.01= 4.02+9.02= 0.91+0.91= 0.28+0.71= 0.31+0.13= 5.39+3.24= 4.38+0.23= 5.41+3.25= 1.24+4.13= 6.57+0.04= 0.45+6.34= 9.02+0.52= 3.43+0.80= 5.40+0.27= 0.35+0.26= 4.5+5.47= 4.25+2.79= 3.25+5.36= 5.46+6.47= 5.24+6.10= 0.52+0.30= 0.92+0.92= 0.34+8.01= 0.29+3.45= 6.23+4.23= 4.37+0.91= 0.28+0.91= 0.58+0.15= 6.03+9.04= 4.76+3.20= 5.20+0.25= 5.27+0.91= 0.93+0.47= 5.26+9.12= 9.02+0.45= 8.04+0.62= 2.34+0.37= 0.17+0.62= 第三大周 口算测试 两位小数加减法（一） 姓名------------- 班级---------------- 8.60-6.39= 8.49-6.31= 7.40-4.04= 7.68-6.50= 3.90-2.76= 6.91-5.39= 6.97-5.97= 8.25-4.64= 8.78-0.52= 1.27-0.21= 8.42-7.04= 6.76-6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+5.61= 7.71-0.11= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71=　 　1.73+4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 第三大周 口算测试 两位小数加减法（二） 姓名------------- 班级---------------- 6.78-1.84=　 6.35-2.83= 0.6+7.50= 7.57+6.82= 5.18+2.34= 8.74-6.93=　 1.05+9.02= 4.30-4.19= 4.94-2.06= 　7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23=　 　3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88=　 　4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50= 9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36=　 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36=　　 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 第二大周 口算测试 两位小数加减法（三） 姓名------------- 班级---------------- 8.93-2.34= 6.72-0.35= 7.25-0.04= 8.95-4.26= 7.54-5.4= 4.73-3.25= 6.26-3.14= 5.36-2.10= 5.73-3.14= 5.79-3.14= 6.53-1.03= 8.12-4.32= 7.43-0.14= 7.52-4.12= 5.31-4.12= 9.04-3.02= 6.31-3.21= 5.92-4.14= 6.12-3.01= 7.29-4.01= 7.13-2.08= 8.64-3.41= 7.23-2.13= 5.23-1.23= 4.15-3.12= 7.12-3.12= 7.52-3.12= 7.43-4.12= 8.25-6.14= 7.16-0.4= 9.46-2.31= 9.75-4.24= 5.9-5.35= 6.26-4.23= 5.34-3.21= 9.33-3.33= 5.34-2.32= 7.43-4.23= 6.23-4.15= 8.53-2.13= 6.13-4.23= 7.23-2.01= 8.42-0.01= 8.53-5.34= 7.32-1.09= 9.87-6.24= 6.54-6.50= 8.63-5.43= 7.12-3.21= 7.41-4.12= 8.42-5.09= 5.32-1.01= 5.21-0.21= 6.30-0.02= 0.34-0.01= 8.43-4.21= 6.43-2.01= 小数乘整数(1) 姓名：____________ 班级:______________ 0.4 4 = 2 4.4 = 3.9 2 = 2 2.8 = 1.6 3= 7.4 3= 2.4 3= 3.7 3= 7.1 3 = 2.2 4 = 8 4.1 = 6.3 4= 1.9 4= 2.3 4= 7 2.6 = 6.7 4 = 1.9 8 = 7.4 0 = 4.3 1 = 2.2 2 = 2.5 9 = 6.7 8 = 2.3 8 = 4.4 2 = 5.4 6 = 8.2 9 = 4.5 6 = 3.4 8 = 1.9 3 = 2 4.3 = 3 5.4 = 3 6.6 = 3 6.7 = 0.3 8 = 0.4 7 = 3.4 4 = 5 0.8 = 1.5 6 = 6 8.1 = 0.6 9= 6.3 4= 1.9 4 = 2.3 3 = 6 4.3 = 8 4.3= 3.9 2 = 2 2.8 = 1.6 3= 7.4 3= 2.4 3= 3.7 3= 7.1 3 = 2.2 4 = 8 4.1 = 3 5.4 = 3 6.6 = 3 6.7 = 0.3 8 = 0.4 7 = 小数乘整数(2) 姓名：____________ 班级:______________ 0.3 100 = 0.46 10 = 6.6 10= 5.2 10 = 2.4 10 = 7.9 10= 10 9.72 = 2.3 1 10= 10 3.3 1= 10 0 6.8 = 10 8.37 = 1 0 4.6 = 10 5.66 = 0.1 10 = 10 8.5 = 68.2 10 = 51.2 100 = 4.2 100 = 10.3 10= 1.3 10 = 1000 5.4 = 5.3 100 = 1000 6.73= 10 8.1 = 100 7.4 = 8.87 100= 8.98 100= 8.8 10 = 1000 5.2 = 100 2.05 = 4.9 1000= 10 0.22 = 1000 2.2 = 10 2.3 = 100 2.6 = 100 2.8 = 1.67 1000 = 7.4 10 = 2.4 1 00= 100 3.19 = 100 3.2 = 2.2 100 = 100 3.8 = 9.9 1000 = 100 4.1 = 6.3 7 10 = 100 4.1 = 0.3 10= 1000 0.3 5= 10 4.38 = 6.4 100 = 2.5 6 100= 13.4 10= 0.5 100 = 0.5 10 = 20.6 1 00= 0.9 100 = 100 10.8 = 10 4.52 = 1000 5.41 = 小数乘整数(3) 姓名：____________ 班级:______________ 2.4 1 00= 100 3.19 = 0.3 10= 1000 0.3 5= 10 4.38 = 6.4 100 = 2.5 6 100= 13.4 10= 100 3.2 = 2.2 100 = 100 3.8 = 9.9 1000 = 9.5 100 = 100 6.76 = 5.5 10 = 100 6.93 = 9.2 100 = 10.3 10= 1.3 10 = 1000 5.4 = 5.3 100 = 1000 6.73= 1.46 100 = 27.4 100 = 2.54 1000 = 3.76 100 = 7.17 1000 = 2.25 1000 = 100 4.15 = 8.3 5 = 100 8.35 = 10 8.38 = 7.8 10 0= 10 8.64 = 10 8.9 = 7.4 100 = 4.36 100 = 1.25 8= 0.25 4= 3.2 5= 7.2 6= 4 6.1 = 8.4 2 = 10 6.48 = 5.1 3 100= 100 8.2 7= 4.31 8= 8.22 3 = 1000 5.4 = 5.3 100 = 1000 6.73= 10 8.1 = 100 7.4 = 8.87 100= 2.8 30= 8.3 2 = 7.5 2 0= 7.9 2 = 6.6 4 = 4 5.5 = 小数乘整数(4) 姓名：____________ 班级:______________ 3.76 100 = 7.17 1000 = 2.25 1000 = 1.25 8= 0.25 4= 3.2 5= 7.2 6= 1000 6.82 = 100 8.3 = 100 4.6 = 0 5.6 = 58.1 100 = 14.1 4= 7 2.1 = 100 5.3 = 44.2 100= 100 8.05 = 100 8.2 = 4.3 6 10 = 100 8.35 = 4.9 1000= 10 0.22 = 1000 2.2 = 10 2.3 = 100 2.6 = 100 2.8 = 1.67 1000 = 7.4 10 = 2.4 1 00= 3.9 2 = 2 2.8 = 1.6 810= 7.45 100= 2.4 3= 0.7 10= 7.1 100 = 2.2 4 = 8 4.1 = 3 5.4 = 100 6.6 = 3 6.7 = 0.3 8 = 0.4 7 = 8.4 2 = 9.5 100 = 100 6.76 = 5.5 10 = 100 6.93 = 9.2 100 = 5.2 6 10 = 2.5 100 = 0 5.6 = 58.1 100 = 14.1 4= 7 2.1 = 100 5.3 = 44.2 100= 小数乘整数(5) 姓名：____________ 班级:______________ 8.6 10= 9.5 10 = 8.6 100 = 2.6 100= 9.56 10= 6.5 100= 10 2.05 = 4.9 10 = 10 2.2 = 7.1 10 = 3.9 10 = 2.12 100= 1.6 510 = 7.4 10 = 2.4 100 = 100 3.19 = 10 3.2 = 10 3.4 = 10 3.8 = 9.9 10 = 3.2 5= 7.2 6.0 = 7.4 6.1 = 8.4 6.2 = 4.0 6.48 = 5.1 3 100= 100 5.3 = 100 8.2 7= 4.31 8= 8.22 3 = 10 8.38 = 7.81 100 = 10 8.64 = 1.31 8= 7.4 10 = 4.3 5 1 00= 2.2 10 = 6.1 2 3 = 5.2 4 3 = 4.1 4100= 9.22 100 = 5.2 10 = 2.5 100= 100 7.2 = 7.5 10 = 7.4 100 = 1.3 9 100= 100 8.05 = 100 8.2 = 4.3 6 10 = 100 8.35 = 10 8.38 = 7.8 10 = 10 8.64 = 10 8.9 = 7.4 100 = 4.3 100 = 小数乘整数(6) 姓名：____________ 班级:______________ 8 4.1 = 6.3 4= 1.9 4 = 2.3 3 = 6 4.3 = 8 4.3= 6.4 10 = 2 4.4 = 3.210= 8.8 3 100= 10 4.72 = 8.8 10 = 8.3 10= 7.5 2 = 7.9 10 = 6.6 4 = 4 5.5 = 3 5.5 =. 0 6.48 = 4.1 6 = 9.3 6 = 1.4 50 = 4.6 9 = 1.6 5 0= 9.7 8 = 9.2 6 = 7.4 2 0= 5.1 7 = 7.4 100 = 8.4 2 = 9.5 100 = 100 6.76 = 5.5 10 = 100 6.93 = 9.2 100 = 8.6 30= 8.6 6 = 9. 1.6 = 6 1.8 = 4.9 2= 4 2.2 = 7.1 3 0= 3.9 2 = 2.5 4 = 3.2 4= 2 2.8 = 1.6 30= 7.4 3= 2.4 3= 8 4.3= 4 4.4 = 3.7 3= 7.1 3 = 2.2 40 = 8 4.1 = 6 4.2 = 8 4.2= 6.3 4= 1.9 4= 2.3 4= 小数乘整数(7) 姓名：____________ 班级:______________ 7.2 4 100 = 7.4 100 = 8.4 2 = 9.5 100 = 100 6.76 = 5.5 10 = 100 6.93 = 9.2 100 = 5.2 10 = 2.5 100 = 8.8 7= 7.5 3 = 7.4 4 = 1.3 4 8 = 100 8.05 = 100 8.2 = 100 9.2 = 6.6 10= 5.2 100 = 0.4 6 = 0.92 3 = 0.17 2 = 2.3 100 = 10 3.3 = 3.2 5= 5.1 5= 4.1 5= 4.3 4 2 = 8.2 100 = 10 8.38 = 4.31 8= 8.22 3 = 10 8.38 = 7.81 100 = 2.33 4= 6 4.2 2= 8 4.3= 4 4.4 1= 2.5 100 = 3.2 4= 8 4.2= 8.9 2 = 3.2 10= 8.8 3 100= 10 4.72 = 8.8 10 = 8.3 10= 7.5 2 = 9.22 100 = 5.2 10 = 2.5 100= 100 7.2 = 7.5 10 = 7.4 100 = 小数乘整数(8) 姓名：____________ 班级:______________ 7.3 0= 4.9 100= 20 2.2 = 7.1 5 100= 3.9 2 = 2.1 20 = 1.6 30 = 7.4 100 = 10 3.1 = 100 3.19 = 7.1 10= 100 3.4 = 0 3.8 = 9.9 10 = 100 4.1 = 6.3 100 = 1.9 3 = 2 4.3 = 100 4.3 = 100 4.38 = 100 9.56 = 7.9 100= 10 9.72 = 2 9.8 = 100 3.3 = 1000 6.82 = 100 8.3 = 100 4.6 = 0 5.6 = 58.1 100 = 14.1 4= 7 2.1 = 100 5.3 = 44.2 100= 100 1.2 = 10 4.2 = 3 5.4 = 3 6.6 = 3 6.7 = 0.3 8 = 0.4 7 = 3.4 4 = 5 0.8 = 1.5 6 = 6 8.1 = 0.6 9= 3.7 100 = 2.7 100 = 100 7.7 = 100 4.2 = 7.4 4 = 1.3 4 8 = 100 8.05 = 100 8.2 = 小数乘法口算练习 姓名 1.54= 2.54= 0.13 4= 5.410= 0.180.3= 4.21000= 0.445= 3.60.1= 8.5100= 8.54= 3.2100= 1.20.3 = 0.497= 0.0425= 0.0315= 44.2=