怎样用简便方法计算这道题?

怎样用简便方法计算这道题?36×77+36×22×36=用乘法分配律计算
2024-12-03 05:02:28
推荐回答(5个)
回答1:

解:原式=36×(77+22×36)
=36×(77+20×36+2×36)
=36×(77+720+72)
=36×869
=36×870-36
=36×800+36×70-36
=28800+2520-36
=31320-36
=31284

回答2:

325÷13*(380-347)
=325÷13*33
=25*33
=825
直接计算

回答3:

提取公因式36×11

回答4:

36×77+36×22×36
=36×11×(7+2×36)
=36×11×79
=36*11*(80-1)
=396*80-396
=31284

回答5:

125x8=1000
24x5=100
125x8x24x5=1000x100=100000