Question

33×24+111×28简便计算

Answer 1

33×24+111×28
=11x3x24+11x28+100x28
=11x（72+28）+2800
=11x100+2800
=1100+2800
=3900

Answer 2

333*24+111*28
=111*3*24+111*28
=111*(72+28)
=111*100
=11100