73x73十63x73简便计算

2024-11-20 09:20:23
推荐回答(1个)
回答1:

73x73十63x73
=73x(73十63)
=73x136
=(50+20+3)x136
=100÷2x136+20x136+3x136
=6800+2720+408
=9928