你好,简便方法如下:
72*33+14*66=72*3*11+14*6*11=216*11+84*11=(216+84)*11=300*11=3300
这里用了分解因式和提取公因式。
希望能帮到您。
72×33+14×66
=33x(72+14x2)
=33x(72+28)
=33x100
=3300
=72x33+28x33
=100x33
=3300
72X33+14X66=(72+14X2)X33=(72+28)X33=100X33=3300
72×33+14×66
=72×33+28×33
=(72+28)×33
=100×33
=3300