⑴ 125x(40+8)用简便算法计算
125x(40+8)
=125x40+125x8
=5000+1000
=6000
⑵ (4o十8)x125用简便方法
(40+8)×125
=40×125+8×125
=5000+1000
=6000
⑶ 小括号40加8括起来乘125简便算法
原式
=(40+8)x125
=48x125
=6x8x125
=6x1000
=6000
⑷ (40+8)×125如何简算
(40+8)×125
=40×125+8×125
=5×8×125+8×125
=5×1000+1000
=5000+1000
=6000