3⼀5÷4-2⼀5×1⼀4简便运算。

怎么算
2024-12-01 09:30:43
推荐回答(3个)
回答(1):

=3/5×1/4-2/5×1/4
=1/4(3/5-2/5)
=1/4×1/5
=1/20

回答(2):

3/5÷4-2/5×1/4
=3/5x1/4-2/5x1/4
=(3/5-2/5)x1/4
=1/5x1/4
=1/20

回答(3):

3/5÷4-2/5×1/4
=3/5×1/4-2/5×1/4
=(3/5-2/5)×1/4
=1/5×1/4
=1/20