用简便方法计算要过程谢谢1.25x(0.8+0.4) 38.5x101-38.5 1.25x48 37x2.01
1.25×0.8+1.25×0.4
=1+0.5
=1.5追答
=1+0.5
=1.5追答
38.5×(101-1)
=38.5×100
=3850
1.25×8×6=10×6=60
37×(2+0.01)
=37×2+37×0.01
=74+0.37
=74.37
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第1个回答 2014-09-15
1.25×0.8+1.25×0.4
=1+0.5=1.5
38.5×(101-1)=3850
1.25×8×6=60
37×2+37×0.01=74.37
=1+0.5=1.5
38.5×(101-1)=3850
1.25×8×6=60
37×2+37×0.01=74.37