五年级上脱式计算题.doc

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1、(78.92－9.01)+(21.08－0.99)12.5+87.5÷0.25+0.75(1.25×8.4+3.8×1.25)×888.8×1.013.061×0.45(精确到千分位)(10.35-7.46)－(0.35+2.54)16÷[(12.6－5.4)×0.4－1.28](2.2+2.2+2.2+2.2)×2.5[5.6-5.6×(5.6－5.6)]÷5.6[7.8+(12－7.8)×6]÷1.12.56÷1.6×(9.8-0.5)-4.8(2.5-1÷0.8)×0.8－0.8÷148.06÷0.17(精确到百分位)0.35×[1÷(2.7－2.66)]+0.659.

2、9×15.7-8.9×9.9+0.686.72×6.8+6.72×3.2-7.218.63－5.2－3.3－1.588.8÷1.254.2÷[1.5+7.5×(5.94－0.54)]88.8×1.250.1÷0.001×(100.1－1.001)(1.9－1.9×0.9)÷(3.8－2.8)36.8÷12.5÷0.86.27×1.5－(80－73.73)6.4×12.5×0.25×0.056.74+6.74÷6.74-6.74)×6.74[0.15+(3.75－1.8)÷0.4]×25(14.3×3.8+5.7×3.8)÷0.1918.6-4.21－3.79+2.47.48×

3、6.36(精确到百分位)2.3+7.71－3.25×10.8÷3510.1÷0.01×[6.8－(1.6－3.6)75.6×3.89-75.6+7.11×75.6[32－(7.25+0.75×8)]×11.436.7×21.8+36.7×89.2－36.74.4÷(4.4×1.25)8.7÷(0.87×0.25)3.28×7.2+5.72×7.21+7.2117.39－22.16－(3.84+7.39)4.4×1.25×2.514.3÷1.2518.6+3.42+1.22+2.360.5÷1-1÷2.5)÷0.10.4×(12.5－2.5+0.25)38.7×42.7+38.

4、7×56.33.5×[6.8×(1.6+3.6÷9)]÷8.5[11－(0.2+6.86÷0.7)]×0.514.8×6.3-6.3×6.5+8.3×3.70.75÷(0.25÷0..3)12.2×[5.5-1.75×(1÷0.5)]1.6×0.8÷1.6×0.88.139÷0.74(精确到十分位)70.48×2.08+2.08×30.52(1－0.2)×(4－3.68)×0.01×39.6(0.1×0.1)÷0.1+0.19.6÷(5.5×0.48+4.5×0.48)[1.2+(10.1－1.9)÷0.2]×0.44.04×2.5[37.58－(4.6+10)×0.5]÷6

5、0.5640.8+2.5×3－24÷0.6(7.5－3.68)÷2.5×[1÷(2.1－2.09)]0.84+(3.8－7.7÷2.5)24÷0.93(精确到0.1)5.976÷7.2(精确到十分位)(4.2－0.48)÷1.2+3.2（3÷0.75—0.75÷3）×0.462.5×6.4+6.4×37.47.8×2.44+0.78×25.6[0.11+0.55×(10.4－1.4)]÷0.280.2×[59－(40.75－20.8)÷0.5]2.86×3.7(精确到百分位)[60÷(12.5+2.5)－2.05]÷2.5(125－10＋0.2)×0.654.29×8.7(精

6、确到百分位)[0.51÷(1.2－1.03)+2.4]×5.41.25×(8－0.8－4.04)7.8÷(3.9×0.5)9.9×1.01－9.912.5×(8－0.8+0.04)2－10.8÷(3.94+6.86)×1.6