50+40+40+30,用乘法算式怎么写?

2025-12-14 14:58:09
推荐回答(2个)
回答1:

命题
=50+40+40+30
=10*5+10*4+10*4+10*3
=10*(5+4+4+3)
=10*16
=160

回答2:

50+40+40+30
=40+40+40+40
= 40×4