3.73*99简便运算急

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3.73*99简便运算急
3.73*99简便运算

3.73*99简便运算急
3.73*99
=3.73*(100-1)
=3.73*100-3.73*1
=373-3.73
=369.27

3.73*(100-1)=373-3.73=369.27

3.73*99
=3.73*(100-1)
=3.73*100-1*3.73
=373-3.73
=369.27

3.73×99
=3.73×(100-1)
=3.73×100-3.73×1
=373-3.73
=369.27

3.73x(100-1)=3.73x100-3.73=369.27