小学数学六年级 下面这些题,能简算的要简算,求过程啊大神们
5个回答
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3.6×(5/6-5/9)
=3.6×5/6-3.6×5/9
=3-2
=1
5/12×11+5/12
=5/12×(11+1)
=5/12×12
=5
55×3/56
=(56-1)×3/56
=56×3/56-3/56
=3-3/56
=2又53/56
(4/5+9/10)×20
=4/5×20+9/10×20
=16+18
=34
1/3+7/5×5/7
=1/3+1
=1又1/3
(2-1/65)×13
=2×13-1/65×13
=26-1/5
=25又4/5
=3.6×5/6-3.6×5/9
=3-2
=1
5/12×11+5/12
=5/12×(11+1)
=5/12×12
=5
55×3/56
=(56-1)×3/56
=56×3/56-3/56
=3-3/56
=2又53/56
(4/5+9/10)×20
=4/5×20+9/10×20
=16+18
=34
1/3+7/5×5/7
=1/3+1
=1又1/3
(2-1/65)×13
=2×13-1/65×13
=26-1/5
=25又4/5
追问
斜号是什么
追答
分数线
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