小学数学六年级下册口算题.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date小学数学六年级下册口算题西樵第二小学2010学年度第二学期第18周数学科口算竞赛试题小学数学六年级下册口算题2= 0.25= = = = = = +0.6= =+0.25= +0.5= = = 0.32= 12.58= = + + = = 0.2= = （1+）=0.375 2 +=4= 0.23+0.17= +=9 154= 1= 3+20= 705 = 12= 5

2、= = 5+= 136= 0.84= 3= 5= = = 0.75= = 205= 2 3.70.1% = 5= 12= 201.8= 315 2.12.09 0.450.37 4%8 + （） = = += 208.3-3.3 3.22= 60= 28= 12.8= 21%2= 1010= 3218 0.4= 8.1= = 100= 60= 28=11.7-6.8 3.636 1=（） 10= 254 11 1 = 100= 10= 51.250.8 498 = 2-2413= 0=0.1 15 32:16 0.125:0.3 ：0= = 12= 0.2=0.5 =0.23+177%= 4.

3、90.07= =7.2 + 0.4+ （）7.5+2.5 45 ： 102= 0= 24= 5= 5-= 79 1.258= = 91= = 0.8 3=8.44.2= 812.5%= = 100= 10= 8 0.130%= 26= 12 15 88 32 12= = 600.5= 3 0.4 9= 18 3= 0.1250.8= 1+30%= 12= 3= = 4= = 5= 7.20.8= = 2= 13= = 3= 36= = 56= 5= 18= 1.258=265%= 2= += = 0.23177%= = = 302= 8= = 15= = = 14= 1= 2.072.3= 3

4、1.95= = = 27=3= = 8= 12.250.5= 6= 0= 6.30.07= 26= = 12.58= 6= = 23= 6= = 4= 0.75= = 100= 88= 4= 12= 0.245= 10= 4= = 102= 3:12= 12= 0.77+3.3= 11= 10= = 0= = 20%+30%= 0= 650%= 8.44.2=5= = 2= = 5= 1= 12:= 1= = 28= 0= = = := 245= = = = 1= 9=254= 910-540= 0.25134= 210%=5（）= 1.25170.8= 5=1.2540.80.25= 5= 2=-