七十三×七十五分之七十四,求简便运算--

求--
2024-11-28 18:56:52
推荐回答(3个)
回答1:

73 × 74/75
= 73×(1 - 1/75)
= 73 - 73/75
= 72又 2/75

回答2:

=73×(1-1/75)
=73×1-73×1/75
=73-73/75
=72又75分之2

回答3:

73x74/75
=(75-2)x74/75
=75x 74/75-2x 74/75
=74-148/75
=72 又2/75