72X125的简便运算方法。

2025-03-22 14:23:45
推荐回答(5个)
回答1:

72X125=(72X1000)/8=72000/8=9000

回答2:

72x125
=9x8x125
=9x1000
=9000

回答3:

72×125
=8×125+9×125
=1000+1125
=2125

回答4:

100✕72+20✕72+5✕72

回答5:

=72X(100+25)
=72X100十72X25
=7200十1800
=8000