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用简便算法计算:0.125×3.2-0.25×0.16=
3个回答
展开全部
0.125×3.2-0.25×0.16
=0.125*8*0.4-0.25*4*0.04
=1*0.4-1*0.04
=0.4-0.04
=0.36
=0.125*8*0.4-0.25*4*0.04
=1*0.4-1*0.04
=0.4-0.04
=0.36
展开全部
0.125×3.2-0.25×0.16
=0.125×8×0.4-0.25×4×0.04
=0.4-0.04
=0.36
=0.125×8×0.4-0.25×4×0.04
=0.4-0.04
=0.36
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展开全部
0.125×3.2-0.25×0.16
=0.25×1.6-0.25×0.16
=0.25×(1.6-0.16)
=0.25×1.44
=0.36
=0.25×1.6-0.25×0.16
=0.25×(1.6-0.16)
=0.25×1.44
=0.36
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