56×17+63×17+17的简便计算?

2025-04-26 21:21:51
推荐回答(3个)
回答1:

解:56×17+63×17+17等于( 2040 )
∵已知需求出56×17+63×17+17等于多少
X × Y + X × Z = X × (Y + Z)
∴56 × 17 + 63 × 17 + 17
= 17 × ( 56 + 63 + 1)
= 17 × (119 + 1)
= 17 × 120
= 2040
答:56×17+63×17+17等于2040

回答2:

有你个鬼名堂!

回答3: