7/8*5/6÷5/8 24÷0.4÷2/3 2/15*3/4+2/3÷4/3 (2/17+1/3)÷5/51 能简算的
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7/8*5/6÷5/8 24÷0.4÷2/3 2/15*3/4+2/3÷4/3 (2/17+1/3)÷5/51 能简算的要简算 4/9x=2/3 1/2x+1/5x=14
11/12-3x=1/4 2/3+2x=4/5
11/12-3x=1/4 2/3+2x=4/5
![7/8*5/6÷5/8 24÷0.4÷2/3 2/15*3/4+2/3÷4/3 (2/17+1/3)÷5/51 能简算的](/uploads/image/z/16810699-67-9.jpg?t=7%2F8%2A5%2F6%C3%B75%2F8+24%C3%B70.4%C3%B72%2F3+2%2F15%2A3%2F4%2B2%2F3%C3%B74%2F3+%EF%BC%882%2F17%2B1%2F3%EF%BC%89%C3%B75%2F51+%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84)
7/8*5/6÷5/8
=7/8*5/6*8/5
=7/8*4/3
=7/6
24÷0.4÷2/3
=60÷2/3
=60*3/2
=902
2/15*3/4+2/3÷4/3
=2/15*3/4+2/3*3/4
=(2/15+2/3)*3/4
=4/5*3/4
=3/5
(2/17+1/3)÷5/51
=(2/17+1/3)*51/5
=2/17*51/5+1/3*51/5
=6/5+17/5
=23/5
4/9x=2/3
x=2/3÷4/9
x=2/3*9/4
x=3/2
1/2x+1/5x=14
(1/2+1/5)x=14
7/10x=14
x=14+7/10
x=14*10/7
x=20
=7/8*5/6*8/5
=7/8*4/3
=7/6
24÷0.4÷2/3
=60÷2/3
=60*3/2
=902
2/15*3/4+2/3÷4/3
=2/15*3/4+2/3*3/4
=(2/15+2/3)*3/4
=4/5*3/4
=3/5
(2/17+1/3)÷5/51
=(2/17+1/3)*51/5
=2/17*51/5+1/3*51/5
=6/5+17/5
=23/5
4/9x=2/3
x=2/3÷4/9
x=2/3*9/4
x=3/2
1/2x+1/5x=14
(1/2+1/5)x=14
7/10x=14
x=14+7/10
x=14*10/7
x=20
在下面的算式中填上若干个( ),使等式成立:1÷2÷3÷4÷5÷6÷7÷8÷9.
在下面的算式中填上括号,使得计算结果最大:1÷2÷3÷4÷5÷6÷7÷8÷9.
在下面的算式中添上括号,结果最大.1÷2÷3÷4÷5÷6÷7÷8÷9
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(-7/9+5/6-3/4)÷1/36-8÷(-3)的2次方等于写出算式
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7/4÷(2/3+1/2)×4/5(能简算的要简算)
能简算要简算3/5÷1/4÷6÷14/1523/25÷(3/4÷2/5)15/16÷(5/12÷5/8+3/8)
能简算的要简算 (1)8/75÷4/25+6/25×5/12 (2)20-1/4×2/5 (3)5/6×(7/10+4/
能简算的要简算一、5/6÷[(11/15-3/5)×5/8] 二、2/3÷9+2/3×8/9 三、(3/5+1/3)÷(
先求出下面各题的商,再把它们改写成百分数.(1)5÷8(2)0.6÷4(3)7÷6(4)12÷20(5)5.4÷2