解方程+脱式计算
--------------------------解方程--------------------2xX7/10=14解2x-3/5x=4解1/6x÷12=8/9解---...
--------------------------解方程--------------------
2x X7/10=14
解
2x-3/5x=4
解
1/6x÷12=8/9
解
------------------------脱式计算--------------------
7/8X25X4
=
=
5-0.64X7/8÷4
=
=
(0.8+1/2)X5/4
=
=
(22+11/12)÷11/24
=
=
15/64÷(3/4+1/8)
=
=
(4/7X5/4+2/7)÷0.2
=
= 展开
2x X7/10=14
解
2x-3/5x=4
解
1/6x÷12=8/9
解
------------------------脱式计算--------------------
7/8X25X4
=
=
5-0.64X7/8÷4
=
=
(0.8+1/2)X5/4
=
=
(22+11/12)÷11/24
=
=
15/64÷(3/4+1/8)
=
=
(4/7X5/4+2/7)÷0.2
=
= 展开
3个回答
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2x X7/10=14
解: 14x=140
x=10
2x-3/5x=4
解: 7x/5=4
7x=20
x=20/7
1/6x÷12=8/9
解: x/6=32/3
x=54
------------------------脱式计算--------------------
7/8X25X4
=7/8*100
=700/8
5-0.64X7/8÷4
=5-0.32*7
=2.76
(0.8+1/2)X5/4
=1+5/8
=13/8
(22+11/12)÷11/24
=22*24/11+2
=50
15/64÷(3/4+1/8)
=15/16*8/7
=15/14
(4/7X5/4+2/7)÷0.2
=5/7*5+10/7
=35/7
=5
解: 14x=140
x=10
2x-3/5x=4
解: 7x/5=4
7x=20
x=20/7
1/6x÷12=8/9
解: x/6=32/3
x=54
------------------------脱式计算--------------------
7/8X25X4
=7/8*100
=700/8
5-0.64X7/8÷4
=5-0.32*7
=2.76
(0.8+1/2)X5/4
=1+5/8
=13/8
(22+11/12)÷11/24
=22*24/11+2
=50
15/64÷(3/4+1/8)
=15/16*8/7
=15/14
(4/7X5/4+2/7)÷0.2
=5/7*5+10/7
=35/7
=5
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脱式计算怎么算,这是我看过讲解的最清晰的了
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