3.7×0.15+4.02的简便运算

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3.7×0.15+4.02的简便运算

3.7×0.15+4.02的简便运算
3.7×0.15+4.02的简便运算

3.7×0.15+4.02的简便运算
3.7×0.15+4.02
=(4-0.3)×0.15+4.02
=4×0.15-0.3×0.15+4.02
=0.6-0.045+4.02
=0.555+4.02
=4.575

3.7×0.15+4.02
=(4-0.3)*0.15+4+0.02
=4*0.15-0.3*0.15+4+0.02
=0.6+0.045+4+0.02
=4.665

3.7×0.15+4.02
=(4-0.3)*0.15+4+0.02
=4*0.15-0.3*0.15+4+0.02
=0.6+0.045+4+0.02
=4.665