12×[618-(145 +218)的简便计算?

2025-04-17 06:33:27
推荐回答(2个)
回答1:

简便计算
12*(618-(145+218))
=12(618-218-145)
=12*(400-145)
=12*275
=(10+2)*275
=10*275+2*275
=2750+550
=3300

回答2:

12*【618-(145+218)】
=12*(618-145-218)
=12*(618-218-145)
=12*255
=3060