六年级脱式计算题(分数)

(0.75-3/16)*(2/9+1/3) 【1-(1/4+3/8)】/ 1/4= == = = =
2025-03-04 13:00:00
推荐回答(2个)
回答1:

(0.75-3/16)×(2/9+1/3)

=(9/16-3/16)×(2/9+3/9)

=3/8×5/9

=5/24

【1-(1/4+3/8)】÷1/4

=【1-5/8】÷1/4

=3/8×4

=3/2

回答2:

(0.75-3/16)*(2/9+1/3)
=(3/4-3/16)*(2/9+1/3)
=(12/16-3/16)*(2/9+3/9)
=9/16*5/9
=5/16

【1-(1/4+3/8)】/ 1/4
=【1-(2/8+3/8)】/ 1/4
=【1-5/8】/ 1/4
=3/8/ 1/4
=3/8*4
=3/2