2.( ):8==0.25= 查看更多

 

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2÷8=0.25=
( )12
=( )%
=5:
20
20

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9.8×65.2×1.25-12.5×0.652×18
8(x-2)=2(x+7)
6
11
×7-12×
3
11

(22+6):7=(A-6):9
60%:90%=A:
1
12

规定a◇b=(a+b)÷b,已知m◇(4◇2)=1.2,求m的值.

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2
2
:8=
10(    )
=0.25=
25
25
%=5÷
20
20

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25
吨:250千克化成最简整数比是
8:5
8:5
,比值的10%是
0.16
0.16

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5:x=3:9
54
x
=
4
5
x:
1
4
=4:
2
3
36:18=x:5.4
6
1.5
=
x
10
1:
1
2
=x:
1
3
3
8
2
5
=x:
6
5
5
6
2
3
=
1
8
:x
5
12
=
7
x
7
2
:x=
3
5
1
7
1
10
1
8
=x:
1
4
x
0.8
=1.5:4
X:1.5=25%
x
13
=0.6
2.5
x
=
2
25
x:
3
4
=
8
9

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