六年级百分数专项计算题
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百分数专项计算题
计算:
20÷(1-20%)
20×(1-25%) 20÷(1+20%)
20×(1+25%)
(4×8-12) ×50%
0.75 ÷0.25×25%
60÷(30%-25%)
(48÷60%)÷10
×(1-25%-40%)
63×(1÷7) ×30%
120
分数(百分数)计算题
一、直接写得数:
5
-50% 60%×
5
1-
2
5
÷5
8
4
7
+
3
7
5
8
-
1
4
+
1
3
5
9
÷90%
41
5
-
2
8
1
÷
1
93
3
8
×
2
3
6
1
+
1
37
67
7
-
2
93
5
×
3
5
9
10
6
÷
1
3
5
6
-
1
2
5
-12.5%
48%×
1
8
2
×
5
6
3.5-
1
5
28
×
16
25
1
4
×8
1
÷
2
2.4×
3
838
1
6
3
÷
9
7
14
1
2
÷
1
3
7
12
×6
-72%
25%
二、解方程:
125%X-X=28
(1+40%)X=98
1-20%X=
1
4
1+20%X=
1
4
X-20%X=16
X+30%X=65
60%X+25=40
80%X+12=40
1-
1
3
X=
5
6
1-25%X=
3
4
X-25%X=
3
4
2X+30%X=9.2
X+25%X=2.8 (1-60%)X=0.32
125%X-X=44
1-40%X=0.7 X-15%X=42.5
78%X+45=84
六年级数学专项练习题
一、 计算下面各题。
5
1
÷〔32×(1-37.5%)〕
(
1
)÷25%
7
25%×
38
8
+75%÷
3
48%
8
9
×〔75%-(
7
16
-25%)〕
(84%÷3+8.72)÷
9
10
2345
7
+
8
×
9
+
6
3
4
×
5
6
+4÷1
3
5
12
5
×(
53
6
+
4
)+52%
1
10
×
21
3
÷(80%-
3
)
80%-(60%-
1
2
)〕÷87.5%
〔
1-(
486
7
-50%)÷12.5% ×+÷125%
12
5
二、解方程。
60%x+25=40
x
2x%=
13
40
x+30%x=52
(1-25%)x=36
40%X-30=15
2X
77
-10%x=18
3
4
x-5x%=17.5
+20%X=3.3
162.5%-x=1516
x+70%x=340
2x3+75%x=16
70%X + 20%X = 3.6
X -
15%X = 68
40%x+21=37
2x+20%x=3.3
0.5+50%x=3
60%x+25=40
24-120%x=18
x – 25%x = 60
60 x + 60 ×
25% x = 75
x – 60%x = 10
x + 20%x = 360
x + 30%x = 78
25%x + 35%x = 6
35%x - 25%x = 1
x + 20%x = 48
x - 20%x
= 36
140%x - x = 40
x - 75%x = 6
x + 60%x = 48
40%X+25%X=130
x+20%x=6
x+70%x=34
x-15%x=10.2
(1-25%)X=45
x+50%x=30
x-40%x=12
23x-45%x=2.4
x-40%x=3.6
25%x-16=24
30%x+90=117
x-20%x=28
14%x-9.1=0.7
35%x+x=13.5
x-75%x=0.5
x-45%x=110
75%x-50=22
60%+4x=27.6