(8×4+8×5+4×5)×2怎么简便计算?

2025-03-22 13:39:11
推荐回答(1个)
回答1:

(8×4+8×5+4×5)×2
=8x4x2+8x5x2+4x5x2
=8x8+8x10+4x10
=64+80+40
=184