北师大小学四年级数学下册脱式计算竖式计算(5页).doc

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1、-北师大小学四年级数学下册脱式计算竖式计算-第 5 页45.233.5= 7+2.65= 54 (3.94+6.86) （3.2+0.12）0.2548.25+1.55= 7.32.25= 1.80.25+4.2-17.93-6.18 102.45= 3.7+2.36= 12 (15.4-12.2) 9 10.28.75= 15.4+2.97= 511.657.39= 103.14= 5.4 780.4 1.443.98= 1.360.8= 90 (3.6-1.8) 3.6+5.8 (6.1-4.6)0.88534.7= 0.77.8= (1.8+1.95)-+1.51.24 = 1.443.

2、98= 250.5+4.80.25= 4.81.2= +1.5） 0.320.8= 0.321.2= 7.64.2 145.358.641.4 （5.13.6）0.819.80.5= 9.81.3= 4+6 0.4）-0.2 5 +3 2.421.1= 3.141.5= 0.25) 70.81.251.75 (80.8)1.25 2.60.8= 2.152.1= 1.5 1010.7 0.1250= 2.60.5= 8 12.51.682.32 5672059.60.8= 3.251.8= 0.9）15） 18（8-6.5） 4.80.9= 9.341.4= 0.79.32= 1.872.3=

3、 3.540.290 1.63.23.2 0.150.63= 1.80.85= 930.313 2.5（80.4） 39= 32.852= 1380.250.4 1258.8 0.459833.87+16.89=10.21-3.85=（37.266.01）0.45.5 2.380.55.622 3.8+3.54= 3.052.9= 51.84.8（2.030.18） 1.63.23.2 11.657.39= 103.14= 9.43(8.65+0.40) 4.6+12.3+5.8 15(1.3+3.9) 87.23= 3.8+3.54= 4.61.75+2.08 5(4.192.83) 7.4

4、1(2.96+3.04) 8534.7= 0.77.8= 4.28+0.533.37 3.2+1.272.49 1.54+2.08+3.62 1.443.98= 1.360.8= 9.5+4.856.36 5.6+2.7+4.4 4.6(1.75+2.08) 4.81.2= 0.320.8= 4.023.5+0.98 70.81.251.75 54.19+2.83 2.134= 4.80.3= 2.6+1.43 (8+0.8)1.25 2.50.61.80.5 8.25+1.55= 7.32.25= 2.52.84 2.513+0.9 0.2513.70.4 9.341.4= 0.79.32=

5、 1.83+3.79+0.17 221.67 0.894.8+0.895.2 1.872.3= 0.150.63= 100.340.66 12.8+2.049.5 6.159.442 1.80.85= 480.15= 4.53.6+5.20.35 4.50.9+5.50.9 +14-30.8 3.7+2.36= 10.28.75= 5.4（2.74） 9.40.96(5.40.9) 526.5+260.37 9.81.3= 6540.9= 1.6(2.25+10.51.5) 90(3.61.8) 3.47.83.9 2.60.8= 2.152.1= 0.36(6.14.6) 0.8 54(3.94+6.86) 0.1750.254 2.134= 4.80.3= (3.2+0.12)0.8 0.1750.250.4 28.77+4.5 3.251.8= 4.81.3= 96 (15.412.2) 2.43-0.18 9 0.3(86.5) 1.25+2.41= 1.30.56= 7.8+4.56+2.2 5 0.499+0.4 15.4+2.97= 5.94+10.7= 0.656.40.655.4 5.011.9+4.99 8.25+1.55= 7.32.25= 2.52.84 2.513+0.9 0.2513.70.4