12x26+17x24怎么简便计算公式

2025-01-07 09:14:34
推荐回答(2个)
回答1:

12X26+17X24
=12X(26+17X2)
=12X(26+34)
=12X60
=720

回答2:

12×(26+24)+24×(17-12)
=12×50+24×(17-12)
=12×50+24×5
=600+24×5
=600+120
=720