4.6×98+9.2巧算写过程


原式=4.6×98+4.6×2
=4.6×(98+2)
=4.6×100
=460
4.6×98 + 9.2
= 4.6×(100-2) + 9.2
= 4.6×100 -9.2 + 9.2
= 460
4.6*98+9.2=4.6*98+4.6*2=4.6*(98+2)=?
4.6×98+9.2
=4.6×98+4.6×2
=4.6×(98+2)
=4.6×100
=460
4.6×(100-2)+9.2
=460-4.6×2+9.2
=460