五年级上册数学计算能力练习题6
一、直接写出得数。(每小题1分,共14分)
7.2×0.1= 3.92+4.08= 0.7÷0.01 = 6.6÷0.66= 0.5+1÷1+0.5= 0.1-0.1×0.1= 0.28×8×0.25= 5.37×0+4.63= 8.8÷2.2= 64.32÷16= 4.2÷0.1= 0.3×0.3= 3.612÷12= 0.48×1.25=
二、列竖式计算。(如果商是循环小数,用循环小数表示出来。每小题3分,共18分) 0.649÷5.9 3.22×10.4 5.06÷4.5
0.054÷3.6 0.63×55 7.7×0.77
三、脱式计算。(每小题4分,共32分)
64.68÷2.8+3.2 4.27+1.7×4-3.12 3-5.4×0.75÷1.5
14.57-0.56÷0.28 18.305÷0.07-85.76 2.6×(0.175÷0.25)
3.83-(1.83-0.57) (294.4-19.2×6)÷(6+8)
五、简便计算。(每小题4分,共36分)
7.6×7.2+3.8×7.6-7.6 8.8×0.125 5.24-3.18+4.7-66.82
7.8×5.4+0.78+78×0.45 21.1+21.2+21.3+21.4+21.5......+21.9
77777×5+99999×7+22222 1.25×2.64+12.5×0.726+0.125
100+99-98+97-96+……+3-2+1 12.5×0.76×0.4×8×2.5
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