(完整版)小学六年级分数乘除法混合计算
生日快乐日语-诸子喻山水
分数计算
2()
142
12()()
1
.化简:<
br>(1)(4)0.45
=
(3)
1=
(2)
12()
()3
18()()
转化:
(1)
1
2()23()3()
2
==()
(4)
2=
(2)
=
( )(3)
11()7()6()
1
通分:
(1)
1132()
23()
()
()
+=+=
(2)
+=
=
+
23()()()
341212
()
4144142()
2314
2×3×14()
=约分:
(1)
××
=
(2)
××2=××=
7127121()
3421
3×
4×21()
2832()()
281
89()()
(3)
÷÷=××=
(4)
21
=
××=
3943()()
395
38()()
2.
(1)
24644272129
(2)
2
(3)
238229831824
12
(4)
33
(5)
(6)
3957826159
3.
(1)
455
(2)
(4)
1
3
2
5
1
2
225914310
+++
(3) +++
7
8182312
1
5
5
×
÷
(5) (×)÷(×) (6)(×)÷(÷7)
3
9
6
4.
(1)
÷
3+
(4)
1
3
4
181512311
(2)
×-÷4 (3)
1
×-÷
55
11
×+÷ (5)
1
×+÷ (6)×-÷
41524810
5.
(1)
×[-(
8
9
3
4
712417
-)]
(2)+(+)×
16437225
(
(3)
(5)
4113
34
22
)15()24
(4)
6×
2
-2
÷
55
411
15
568
5513118
552
×+
÷
3+8
÷
(6)
÷+
1877575
7145
6.
(1)
1
2
5
412233
8
21
×+÷
(2)×+× (3)×(31+1)
3
9
95171817
9
1514
4692133
4
(4)
1
×
1
+
÷
1
+
(5)1.25×10+3
÷
+26.4×1.25
5755355
5
7.
(1)3
1323
-1.625
(2)3.8+1+6.2+3 (3)2.5××0.4
121477
(4)2.1+7÷(3
112
-1.625) (5)0.25+1÷2.4
(6)(2.5-1)÷3.75
12
153
8.
(1)(3.4-2)×1 (2) 1.375+2
1
112
(3)1÷80%
(5)(0.68+3.72÷1-68%)× (6)9.6-(5 -1.4)
5
20
29
5
4352
9.
(1)1.75×+×1
(2)(3.6+1)×11
9
9473
718
(3)2÷0.5-1×0.75 (4)
0.2×(2.6+2.7×)
39
10
171
(5)(1.4+)÷1.12
(6)(-0.25)÷
3
162
2
3
2
3
5113
—2
(4)1.6-1.6×(2-×3)
24
126
23
10.(1)21-(17.6+2.05)
(2) 11-1.175×10
34
123
(3)4.2×(-0.1÷2) (4)3.4-2×
4
(5)2
1
8
-0.125+1
(6)4.92
11.(1)(1.88+2
3
25
)×0.125
(2)5.5
(3)1
5
7
-(0.6+2.4÷2
2
3
)
(5)(8.1×2
19
3
-
10
)÷3.6
(6)
34
+6
25
7
+2.08+4
7
-1.75×(1
219
3
+
21
)
(1.625-
2
3
)×5.25
(3.91+3
3<
br>7
+6.09+6
41
7
)×(2
8
-1.125)
(4)