57ᘧ࿾41锧57ᘧ࿾58锧57的简便运算?

2024-11-16 04:13:58
推荐回答(2个)
回答1:

57*41+57*58+57*1
=57*(41+58+1)
=57*100
=5700

回答2:

57X41+57×58+57
=57×(41+58+1)
=57X100
=5700