4.6×98+9.2巧算写过程

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4.6×98+9.2巧算写过程4.6×98+9.2巧算写过程4.6×98+9.2巧算写过程4.6×98+9.2=4.6×(100-2)+9.2=4.6×100-9.2+9.2=460原式=4.6×98

4.6×98+9.2巧算写过程
4.6×98+9.2巧算写过程

4.6×98+9.2巧算写过程
4.6×98 + 9.2
= 4.6×(100-2) + 9.2
= 4.6×100 -9.2 + 9.2
= 460

原式=4.6×98+4.6×2
=4.6×(98+2)
=4.6×100
=460

4.6×98+9.2
=4.6×98+4.6×2
=4.6×(98+2)
=4.6×100
=460

4.6*98+9.2=4.6*98+4.6*2=4.6*(98+2)=?

4.6×(100-2)+9.2
=460-4.6×2+9.2
=460