125×34-26×125,8×4×25×125,105×16,73×99简便计算,大神帮我

2025-06-28 21:45:43
推荐回答(2个)
回答1:

125×34-26×125
=125x(34-26)
=125x8
=1000

8×4×25×125
=(8x125)x(4x25)
=1000x100
=100000

105×16
=100x16+5x16
=1600+80
=1680

73×99
=73x100-73x1
=7300-73
=7227

供参考。

回答2:

125×34-26×125
=125*(34-26)
=125*8
=1000