文档介绍:Forpersonaluseonlyinstudyandresearch;notfor
commercialuse
Forpersonaluseonlyinstudyandresearch;notfor
commercialuse
Forpersonaluseonlyinstudyandresearch;notfor
commercialuse
Forpersonaluseonlyinstudyandresearch;notfor
commercialuse
分数的混合运算
(
1
+
3
-
2
)×12
23-
8
3
1
6
4
3
9
×
4
÷27
8÷7+1×6
÷[
(
2
+
1
)
×
1
]
13
713
5
3
5
13
4
×23+
4
×67
(
1
-1
)×3
÷1
25
25
2
6
5
5
2514712155649169
1
1
1
2
10
98
7
15
15
8
1
4
2
3
5
1
13
7
13
9
8
9
8
8
1
1
2
1
1
9
6
13
2
2
6
2
(5
5)
11
[1(1
1)]
24
12
9
8
3
6
25
5
(1
2)
[7
(1
1)]
3
6
2
3
8
2
4
4
36536388834-35
解方程
X
7
3
1
1X
7
9
5
4
4
8
3
2
11
5
1
24
4
X
X
9
X
36
3
12
4
3
2X
7
3
1X1
4
12
2
1X
1X
14
2X4(8X)35
3
5
15
仅供个人用于学****研究;不得用于商业用途。
Forpersonaluseonlyinstudyandresearch;notforcommercialuse.
Nurfürdenpers?nlichenfürStudien,Forschung,zukommerziellenZweckenverwendetwerden.
Pourl'étudeetlarechercheuniquementàdesfinspersonnelles;pasàdesfinscommerciales.
толькодлялюдей