小学数学西师版五年级下册《分数加减混合运算》习题docx.docx
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小学数学西师版五年级下册《分数加减混合运算》习题docx
小学数学西师版五年级下册
7
1
1
5
5
5
10
-=
-
=
+
14
5
3
24
7
5
2
1
1
5
1
9-
5=
4+5=
8+3
2+5=
2+5=
5+1=
9
9
7
7
8
8
7-2=
1+3=
11-9=
9
9
5
5
12
12
7-3=
4+3=
3-3=
8
8
5
5
5
5
3+1=
1+3=
4-1=
4
7
4
8
7
6
2+1=
6-2=
3+1=
9
2
7
3
10
4
1+1=
5-1=
7-5=
6
4
7
5
7
3+5=
1-1=
3+4=
4
6
4
5
7
7
5-2=
+3=
1
-
1
=
9
9
1
6
7
5
2
1
=
+=
3
4
4
=5+2=
5-1
66
3
1-=
5
5+1=
83
1+1=
58
3+1=
7
9
1+3
=
5
8
3+5=
44
4+8=
1515
5-4=
65
2
1-
7=
=
7-1
=
10
10
4-1=
77
1+1=
25
7-5=
86
1-1=
35
14-1=
153
7-1=
84
5-12=
13
7
1
1
1
4
2
1
8+2=
4+3=
5-3=
5-4=
5
4
7
1
3
1
1
6+9=
10-5=
5
-4=
5-
4=
5
7
7
1
2+
4
3-0.25=
+
=
+
=
=
12
12
8
8
9
4
8
1
3
5
1
1
+
=
+
=
+
=
9
6
4
16
6
5
0.74+
2
21
1
=
213
5
5
2
4
3-1=
1+1=
1-1=
5
6
3
2
2
5+1=
88
14
1-5-5=
7+2=
33
1
1
=
1
1
+
4
-
=
3
5
6
53
7
0.375+15
4
8
1+6
=
2+1=
7
7
3
6
1
1
1
1
2
3
3
4
1
1
3
1
3
5
16
2
1
5
7
3
1
5
1
5
5
9
9
2
3
8
5
9
9
12
12
4
6
3
1
7
8
4
3
7
2
1-5=
9-9=
7
+
1
1
-
3
10
=
=
5
4
5+1
=
2
+
1=
12
12
3
5
7
3
2
3
10-
10=
5+
5=
5
3
1
1
8
8
2
3
1
1
5
1
2
10
9
3
7-2=
2+8=
12
12
9
9
5-1=
3+3=
7
2
4
8
7
3
2
1
10
10
3
9
1
5
1
1
6
2
3
4
1
9
1
5
5
10
2
7
+
1
2-1
=
8
=
8
5
4
1
+
5
=
1
1
=
2
6
-
9
3
3
+
1=
1-
13
=
22
4
4
5
5
3
1
7+
14=
4+
7=
3
1
1
5
15
1
4
5+6=
7-1=
13
13
8
8
8-1=
1-2=
15
3
11
5+5=
5
-3=
7
4
31
5+5=
72
88
21
34
1-1=
24
5+1=
72
1-1=
714
12
55
74
1111
1-1=
56
3+13=
1616
0.32=
12.5
×8=
8
÷0.4=
2.5×4=
7-6.38
=
36÷0.9=
5
÷0.001=
13
×60=
0.8
÷0.02=
0.36+1.54=
135÷5=
0.6×2=
4.8
÷0.6=
1.7+3=
0.7
÷3.5=
1.25×16=
9.6
÷32=
2
-0.09=
26.26
÷26=
4.57
+6.43=
5÷0.001=
2.5
×4=
0.48÷120=
1.01×99=
4.3-1.6=
0.9×7=
0.6+7=
0.22
×0.5=
1.25
×8=
0.9
×100=
0.64÷16=
10-9.12=
0.8
×125=
3.2+1.78=
四、计算下面各题,能简算的要简算。
8.5-0.24-1.76
7.9
×11-7.9
3.14
×32
7.5-(2.5+3.8)
5×1.4-0.4
×5
0.8×125-10
10-4.8-3.2
7.8
×1.17-7.8×0.17
2.65×1.7+1.35×1.7
2.7×2-0.45
0.25
×101
3.25×27+73×3.25
38.7-7.84÷1.4
8.8-2.5
×1.8
4×9×0.25
7
1.25×0.25×3.2
78-8.5+22-0.5
15-5
÷12-12
1
3
2
23
1
3
1
3
4
7
2
1
105
24
6
8
5+5-
5=
8-
9+8=
5
4
3
1
11
3
4
7
19
2
7
5
8+
5-
8+
5)0.25+
15+
4+
15
15+21+
21
10
-12-
12
7-5+1
4-(2+3)
5+1-9
3+3-5
8
12
6
3
5
10
7
4
14
4
6
8
5+(3+1)
1+3-2
3-(2+1)
6-(3-2)
9
4
2
10
8
5
5
15
3
4
5
4
1
1
3
4
5
1+
1+1=
1+1-1=
-(
+
)
+
+
8
5
8
4
8
7
6
7
5
6
2
6
13
1
5
5
7
2
1
5
2
2
1
-
+
25-
12
-
3
+
-
-(
-
)
15
6
6
18
6
12
7
7
8
5-4
-5
5
+
3
-
1
5
+
4
+
5
1
+(
2
-
1
)
6
4
3
6
9
9
2
3
4
9
9
1
1
1
4
1
7
2
5
4
3
8
12
2
2
5
5
(5
1)
7
7
8
8
2
2+(1-1)
2+1+3
3
2
4
5
3
5
2-1-5=
1+5+4=
6
6
5
6
5
4
1
2
4
1
1-5
-5=
3+5+3=
2
4
7
1
2
5
1
9
5
9
5
3
6
3
2
(3
1)
9
(2
1)
9
4
2
10
5
4
6+8+3
9-(3+12)
7
11
11
13
13
26
-1
-1
=
13
(1
2)
1
4
15
3
5
2
4+1+1
11
+
4+4=
5
3
5
15
11
15
1+1+1+2
9+1+3+5
8-(8+7)
3-
1-
1-
3
4
3
4
3
7
8
8
7
15
15
18
4
3
4
4
1
1
9
3
3
7
3
27
13
5
5
-4
+3
10
+20
-15
1-12
+4
28
+﹙14
-
7
﹚
5
2
7
1
1
5
5
1
1
2
26
-﹙3
+12﹚
154
-52
+76
16-﹙33
-12
﹚
1.875-﹙0.25+
3
﹚
17-3-9=
2+3-5=
1+5+3=
1+1+3=
20
20
20
9
8
8
14
14
14
4
4
4
1-2-1
52
1
5
25
4
1
33=
6+7+6
8+3+6
4-5-5
4
1
1
3
2
1
2
1
1
3
0.8+
5
5-(2+4)
4-7+4
+7
2-4
-
-
+0.2
3
4
8
5-(1
-1)
4
+(3-1)2
-3-4
1+1-1
12
12
2
5
8
4
7
7
2
4
6
5-1+5
15-3-5
5+7+4
7+3-11
8
3
12
11
8
8
9
12
9
8
4
12
19
9
3
2
3–(21-
14)6
-(
4
-
5
)
121
356
2+1+3
535
3
21
43
4
3
(3
1)
4
5
3
5
10
15
4
8
4
4.8+19+1.2
14
11+5+3+1
7-1+2-3
6+11+5-6
12
8
8
12
9
8
9
8
11
15
11
15
1
+
2
4
7
54
7
14
0.125
9+3
+7
+1
+
+
7
9
7
9
5
8
5
16
8
16
8
2
4
4
1
7
11
-(
3
11
4
7
4
2
+
-(
-
)
15
+
+
)
+
-
15
+
3
5
5
5
15
10
15
15
9
9
3212
4-7+4+7
2
5
3
1
2
5
1
5
3
8
8
3
4
9
6
9
6-3+7-2
137137
13115
128128
7142
11+5+11+5
1
5
5
2
3+7+2
7-3+2
154
2-19-19
6+7+6+
7
5105
885
105
62
23
6-(1-1)
24(35
27)
9-(8-10)
12
3
8
7
6
12
9
12
19
9
19
7
2
0.8(3.2
1
5
(
1
2
7
8
8.2(1.3751)
4
)
7
0.625)
5
1
2
10
3
4
8
3
5
15
15
8+1-8
4-2+5-2
8+1-3
3-5+1
15
3
15
9
5
9
5
9
6
4
4
12
6
1-1-3
5+
5+
5
7
2
4
5+
4+
4
+-
6
8
13
13
13
9
3
9
9
7
9
8+(2-1)
7-5+1
4-(2+3)
1-(3-3)
9
3
2
8
12
6
3
5
10
2
4
8
4
5
2
1
1
9
6
9
3
1
5-
9
-
9
3
+(
2
-
4
)
3-(14+7)
10-(4-6)
5
1
1
1
7
4
6
4
3
5
15
15
2-5-2=
77
7(32)1045
4
3
2
1
3
3
5
1
1
)
4
3
1
-
+
-(
-
)
-(
2
+
5
-10+5
5
103
2
4
8
6
3
2
1
4
1
1
10-(3+2)
5-6
+3
415
9109
2
+
1
2
+
1
=
17
+
3)-(
17-7)
24
4
5
4
3
5
-
3
5
(
20
10
2010
25
-13
-13
-13
51
15
11
1
0.50.5
1
11+5
+1
+
3
7
3
3
3
12
8
8
1-4-3
122727
4-(7-13)+9-(1+2)
510201063
解方程
5
1
11
1+χ=
9
x3
7
2x+=4.625
+x=
12
8
4
5
20
4
8
5
X+3
7
3=
7
3
7
χ+
=
x
9
5
=10
X+
5
8
8
12
3
2+x=
11
x+
3
=
11
3
3
4
12
χ+=
4x40.89.6
7
21
7
4
3
7
4
x
8
3
7
1
1
2
1
3
8
+X=12
7+2+x=
3
x+(3+4)=2
x+0.75-
3
=0.15
x+16=350.5+4.5x=45.5
2
7
5
x
9
9
X÷4.5=205x-3x=3.25.5X-3X=15
X-1=22X-1=1-13x-29=192.7X-1.6=38.9
3755
x-5
=
7
x42
12
24
7
x
15
66
χ-8=2
155
35
x-=
168
x
12
37
x(3
4)1
χ-2
1
1
=
+
4
5
3
2
4
X-1
+1
=5
4x-
1
1
3x-14×2=11
=2-
8χ-9.1=22.9
3
6
6
3
3
8X-0.75×5=0.25
3.8x-0.8x=27
5
1
11
x
5
-x=
2
6
12
6
13
3
8
5
16
x
9
x
8
6
5-χ=1
7-x=
4
3
3
13
3
4
-x=
16
-x=
6
4
9
27
10
8
3-X=1
61
x55
4
6
4
18
3
3
x1
3×2-6x=4.2
5
4