3.6*11.1+1.2*66.7=?简便算

问题描述:

3.6*11.1+1.2*66.7=?简便算

=1.2*33.3+1.2+66.7=1.2*100=120

  • 3.6*11.1+1.2*66.7
    =1.2*33.3+1.2*66.7
    =1.2*(33.3+66.7)

3.6*11.1+1.2*66.7
=1.2*33.3+1.2*66.7
=1.2*(33.3+66.7)
=1.2*100
=120