全球旧事资料 分类
1m
4+4m
3+8
2÷3
24
x+5x+7-35÷x
8ab+8b÷6b
42a2+24a2-9a3÷3a
60x2y2-18x2y÷9xy
7xy-2y÷y
3xy+2y÷y
4c2d2-c2d2÷-cd
3ma+mb+9mc÷m
7m2
2-6m3÷2m
f8a3b3+6a2c÷5a2
18x3+7x2+2x2÷x
14ab+8ab-3ab÷ab
-4a3+4a2b3-2a3b3÷-4a2
1m2
3-5m
3+7
2÷5
28
b+3b+6-18÷b
10ab+2b÷4b
75a3+21a-9a3÷9a
57xy2+18x2y2÷9xy
10xy-y÷y
f8xy-2y÷y
8c2d2+cd3÷-c2d
3ma+3mb-6mc÷m
8m3
2-8m2÷3m
8a2b2-7a3c÷4a
13x3-8x-4x4÷x
15a2b+7ab-2ab÷ab
-3a3-8a2b2+5a2b2÷-3a
6m2
3-5m
3+4
2÷2
25
x+1x+6-6÷x
f8ab-2b÷4b
90a-21a2+15a÷9a
33x2y-18x2y÷12xy
3xy+2y÷y
7xy+y÷y
4c2d2-cd÷-cd
9ma-mb+7mc÷m
9m2
+7m÷4m
10a3b3+8a3c÷5a2
10x-7x4-3x4÷x
f12a2b-6ab-3a2b2÷ab
-2a2-7a2b2-3a3b3÷-4a
4m
2+4m
3+6
3÷4
25
b+1b+9-9÷b
18ab+10b÷4b
42a3+18a4+12a÷6a
51x2y+27xy2÷3xy
5xy-5y÷y
7xy-5y÷y
6c2d-cd3÷-c2d
f9ma-mb+3mc÷m
7m3
2+9m÷5m
6a3b3-8a3c÷3a2
16x3+7x2+5x4÷x
16ab2+8ab+2a2b2÷ab
-3a3+9a2b2+2a2b3÷-4a2
4m2
4+3m2
2+4
4÷5
5
m+5m+7-35÷m
20ab-10b÷4b
75a3+24a4-6a4÷9a
f60xy2+15x2y2÷12xy
2xy-2y÷y
8xy-3y÷y
8c2d2+c2d3÷-cd
5ma-5mb+8mc÷m
7m2
-9m÷4m
4a2b2-8a2c÷5a
11x2-7x4-2x4÷x
10ab-9ab-3a2b2÷ab
-4a2+5a3b2+3a2b2÷-3a2
f8m2
3-5m2
3-8
4÷4
7
a+4a+9-36÷a
12ab+4b÷2b
72a3+18a+15a3÷9a
45xy2+18x2y÷9xy
2xy-4y÷y
10xy+3y÷y
4c2d2+c2d4÷-cd
5ma+mb-5mc÷m
8m3
2+9m3÷2m
f8a2b3+7a3c÷2a
14x4+7x2-3x4÷x
18ab-8a2b-3ab2÷ab
-3a3-8a2b2-2a3b2÷-3a2
1m2
2-3m2
2+6
2÷6
6
x+1x+8-8÷x
4ab+10b÷2b
84a2-18a3-12a4÷9a
51xy2-27x2y÷6xy
4xy-4y÷y
f9xy+2y÷y
4c2d-c3d3÷-c2d
7ma+8mb+8mc÷m
4m3
-6m2÷2m
4a3b3+8a2c÷2a
18x2+6x2+3x÷x
18a2b+5ab-4a2b÷ab
-2a2+7a3b3-2a2b2÷-3a2
5m2
3+2m2
2-4
2÷5
4
m+1m+8-8÷m
f6ab+8b÷4b
42a3-27a+6a3÷3a
45xy2-18xy2÷3xy
5xy+3y÷y
10xy+y÷y
2c2d2-c2d2÷-cd
ma-9mb+mc÷m
3m2
-7m3÷3m
2a2b3+9a3c÷3a
13x4+9x3+2x2÷x
f17ab2+7a2b+2a2b÷ab
-2a2+4a3b2+3a3b3÷-4a
2m
4+2m
2-9
2÷5
3
m+3m+9-27÷m
4ab-4b÷4b
69a4+21a2-9a2÷6a
60x2y2+15x2y÷6xy
6xy-5y÷y
7xy+4y÷y
4c2d+cd÷-c2d
f2ma-4mb-4mc÷m
5m3
2+9m3÷5m
10a3b3+7a2c÷2a
18x2-8x-2x2÷x
15ab-8a2b+3ab÷ab
-4a2r
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