5个回答
展开全部
8.7
×
17.4-8.7
×
7.4= 12.5
×
0.4
×
2.5
×
8=
0.68
÷(
5.2-3.5)
×
1.25= (0.25+2.5+25)
×
0.4=
5-0.9
×
0.2+1.8
÷
0.5= 6.4
×
3.28+4.6
×
3.28-3.28=
12.27
+
21
÷
(7.3
-
6.6)
×
2.4= 4.4
×
0.8
-
3.4
×
0.8=
(9.37+9.37+9.37+9.37)
×
2.5= 2.37
×
6.3+2.37
×
3.7=
46
×
0.33+54
×
0.33= 1.93+2.7+2.07+7.3=
26
×
15.7
+
15.7
×
24= (2.275
+
0.625)
×
0.28=
85.07
-
(15.3
-
4.8)+5.369= 40
-(
3.5
-
2.75+0.86
)
=
37
×
25+268
÷
67=
(
32+360
÷
45
)×
72=
(
7590
÷
33
-
14
)÷
54= 412
÷(
607
-
36
×
14
)
=
10.5
÷
(5.2-3.5)=
(
13.8
-
8.7
)÷
0.034=
6.25+3.85-2.125+3.875= 3.375+5.75+2.25+6.625=
2.1
×
4.3+5.7
×
2.1= 3.375
×
0.97+0.97
×
6.625=
6.54+2.4+3.46+0.6= 95.6
×
1.8+95.6
×
8.2=
1.5
×
4.2
-
0.75
÷
0.25= 3.27
×
4 +3.27
×
5.7=
0.25
×
80
-
0.45
÷
0.9= 2.4+2.4
×
(5.375-3.375)=
7.5-5.7
×
1
÷
3= 12.37-3.25-6.75=
16
×
6.8+2.2
×
16+16= 58.7-16.65
÷
3.7=
0.4
×
4.7
×
2.5+(2.3+5.3)= 9.31-1.125-7.875=
400
×
(0.62+0.08)= 1.2
×
(9.6
÷
2.4)
÷
4.8=
(
8.58
-
3.69
)×(
3.4
-
1.8
)
= 1.5
×(
10.03
-
15.6
÷
7.5
)
=
30.6
÷(
4.5
×
0.16
)
= 4.7+3.91
÷
(32-29.7)=
3.12
×(
0.9
+
0.7
÷
0.1
)
= 9.2+9.728
÷
3.2
×
1.5=
2.4
×
0.75
+
1.25
÷
2.5=
(
20.2
×
0.6
-
2.12
)÷
0.1=
(1.5
×
0.9+3.65)
÷
2.5= 8.48
÷
0.8
×
0.9=
101
×
0.36
÷(
14.4
×
0.05
)
= (25.3-9.7)
÷
0.3
×
8.5=
10.5
÷
(5.1
-
4.4)+18.25= 4.11
-
0.72
×
(3.38
-
2.13
)
=
1025
-
1125
÷
4.5
×
3.6=
(
6.8
-
5.4
)×
2.75
-
0.9=
0.875
×
36+4.05
÷
8.1=
(
227
÷
25
-
4.68
)×
0.5=
630
÷(
2.98
+
6.5
×
0.08
)
= (21.88+29.8)
÷
7.6=
(8.1
-
5.4)
÷
3.6
+
85.7= (3.44+20.5
×
0.32)
÷
0.16=
0.54
÷
(8.7
+
45.3)
×
28.4= 0.1
÷
1+1
÷
0.8
-
0.1=
(
1.25
+
6.4
)-
14.88
÷
2.4= (4.3
-
2.01
+
2.2)
÷
4=
58.8
÷(
0.6
×
0.7
)÷
0.02= 10.4
-
7.79
÷(
0.35
+
0.6
)
=
3.6
÷(
1.2
+
0.5
)×
5= 13.7
×
0.25
-
3.7
÷
4=
3.6
×
1.25+ 0.32
÷
0.4= 0.8
×
(3.2
-
2.99
÷
2.3)=
2.5
×
(6
+
9.728
÷
3.2)= 5.2
×
(4.6
÷
0.92
×
0.04)=
5.4
÷
(3.94
+
0.86)
×
0.8= 19.28
+
1.82
÷
0.7=
10.56
×
3.75
-
3.75
×
0.56= (1.5
÷
0.8
-
1)
÷
0.4=
(
37.62+20.76
)÷
0.042=
(
17.2-4.5
×
3.6
)÷
0.32=
(6.02 + 2.8 )
÷
0.4 - 2.05= 3.27
×(
80.5-9.84
÷
0.16
)
=
(71.2
-
71.2
×
0.9)
÷
0.25= 1.08
÷(
3.94+34.3
×
0.2
)
=
(
4.25-4.25
×
0.8
)÷
1.7= 1.46
×
5+12.8
÷
0.4
×
7.5=
1.52
-
1.6
×
5
+
5.7= 3.8
+(
24
-
25
×
0.6
)
=
(0.25 +0.125
)÷(
0.75
×
0.4)= 20
-
2.5
×
4
÷
8=
(4.8
-
4.8
×
0.5)
÷
2= 0.8
×(
10.4
+
0.64
)÷
0.92=
(25.3-9.7)
÷
0.3
×
7.6=
(
4.5+1.3
×
6
)÷
1.5=
58.8
÷(
0.6
×
0.7
)÷
0.02= 0.4
×
(3.2-0.8)
÷
1.2=
16.78-1.6
×
1.5
÷
0.8= (53.73-17.49)
×
(2.6+12.4)=
18.64
-
4.35
×
2
+
20.9= 80
-
8.2
×(
10
-
7.6
)
=
(9
-
8.5)
×
(5
-
4.76)
÷
0.1= 1.6
+
8.4
×
1.5
÷
0.18=
(
1.1-0.78
)×(
2.7-1.95
)
=
(
20.2
×
0.6
-
2.8]
÷
0.4=
0.06
×
(10.14
-
0.64)
÷
2= 17.68
÷
5.2+2.7
×
1.5=
19.8+(3.749-0.299)
÷
2.3= 8.6+15.4
÷
0.4
×
1.4=
1.5
×
1.2
-
0.6
÷
2.4= 0.6
×(
6.25
÷
2.5
+
0.25
)
=
4.32
×
15
÷
12
+
5.1
÷
0.85= 5.6
×
(12.5
-
8.5
÷
0.85)=
8.74 - 8.74
÷
23+700
×
0.03= 0.38+9.62
÷
3.7
×
5.4=
4.38
÷(
36.94+34.3
×
0.2
)
=
(
5.84-3.9
)÷
0.4+0.15=
1.6
×
(2.25+27.75
÷
1.5)= 2.02
×
1.027
÷
0.26
)
=
6.5
×
(10-3.7)+2.98= 4.75+8.4
÷
(9.2-6.8)=
4.5
×
(0.75-0.356)+9.23= 5.4+(0.63+1.29
÷
0.23)=
1.46
×
5+12.8
÷
0.4
×
7.5= 2.98
+
6.5
×(
3.2
-
3.12
)
=
(15.6-2.4)
×
0.8+4.32= 4.11
-
0.72
×(
3.38
-
2.13=
(
6.8
-
5.4
)×
2.75
-
0.9= 1
÷
0.25
×(
1.28
÷
3.2
)
=
4.78
+
0.22
×
20
÷
16= 31.7
-
0.5
×
0.7
-
1.65=
10
-
7.5
×(
6.4
-
5.9
)
=
(
2.95
+
10.58
-
1.53
)÷
0.25=
4.2
×
(6.18
–
3.03)+ 6.3= 2.7
÷
4 + 6.3
×
0.25=
×
17.4-8.7
×
7.4= 12.5
×
0.4
×
2.5
×
8=
0.68
÷(
5.2-3.5)
×
1.25= (0.25+2.5+25)
×
0.4=
5-0.9
×
0.2+1.8
÷
0.5= 6.4
×
3.28+4.6
×
3.28-3.28=
12.27
+
21
÷
(7.3
-
6.6)
×
2.4= 4.4
×
0.8
-
3.4
×
0.8=
(9.37+9.37+9.37+9.37)
×
2.5= 2.37
×
6.3+2.37
×
3.7=
46
×
0.33+54
×
0.33= 1.93+2.7+2.07+7.3=
26
×
15.7
+
15.7
×
24= (2.275
+
0.625)
×
0.28=
85.07
-
(15.3
-
4.8)+5.369= 40
-(
3.5
-
2.75+0.86
)
=
37
×
25+268
÷
67=
(
32+360
÷
45
)×
72=
(
7590
÷
33
-
14
)÷
54= 412
÷(
607
-
36
×
14
)
=
10.5
÷
(5.2-3.5)=
(
13.8
-
8.7
)÷
0.034=
6.25+3.85-2.125+3.875= 3.375+5.75+2.25+6.625=
2.1
×
4.3+5.7
×
2.1= 3.375
×
0.97+0.97
×
6.625=
6.54+2.4+3.46+0.6= 95.6
×
1.8+95.6
×
8.2=
1.5
×
4.2
-
0.75
÷
0.25= 3.27
×
4 +3.27
×
5.7=
0.25
×
80
-
0.45
÷
0.9= 2.4+2.4
×
(5.375-3.375)=
7.5-5.7
×
1
÷
3= 12.37-3.25-6.75=
16
×
6.8+2.2
×
16+16= 58.7-16.65
÷
3.7=
0.4
×
4.7
×
2.5+(2.3+5.3)= 9.31-1.125-7.875=
400
×
(0.62+0.08)= 1.2
×
(9.6
÷
2.4)
÷
4.8=
(
8.58
-
3.69
)×(
3.4
-
1.8
)
= 1.5
×(
10.03
-
15.6
÷
7.5
)
=
30.6
÷(
4.5
×
0.16
)
= 4.7+3.91
÷
(32-29.7)=
3.12
×(
0.9
+
0.7
÷
0.1
)
= 9.2+9.728
÷
3.2
×
1.5=
2.4
×
0.75
+
1.25
÷
2.5=
(
20.2
×
0.6
-
2.12
)÷
0.1=
(1.5
×
0.9+3.65)
÷
2.5= 8.48
÷
0.8
×
0.9=
101
×
0.36
÷(
14.4
×
0.05
)
= (25.3-9.7)
÷
0.3
×
8.5=
10.5
÷
(5.1
-
4.4)+18.25= 4.11
-
0.72
×
(3.38
-
2.13
)
=
1025
-
1125
÷
4.5
×
3.6=
(
6.8
-
5.4
)×
2.75
-
0.9=
0.875
×
36+4.05
÷
8.1=
(
227
÷
25
-
4.68
)×
0.5=
630
÷(
2.98
+
6.5
×
0.08
)
= (21.88+29.8)
÷
7.6=
(8.1
-
5.4)
÷
3.6
+
85.7= (3.44+20.5
×
0.32)
÷
0.16=
0.54
÷
(8.7
+
45.3)
×
28.4= 0.1
÷
1+1
÷
0.8
-
0.1=
(
1.25
+
6.4
)-
14.88
÷
2.4= (4.3
-
2.01
+
2.2)
÷
4=
58.8
÷(
0.6
×
0.7
)÷
0.02= 10.4
-
7.79
÷(
0.35
+
0.6
)
=
3.6
÷(
1.2
+
0.5
)×
5= 13.7
×
0.25
-
3.7
÷
4=
3.6
×
1.25+ 0.32
÷
0.4= 0.8
×
(3.2
-
2.99
÷
2.3)=
2.5
×
(6
+
9.728
÷
3.2)= 5.2
×
(4.6
÷
0.92
×
0.04)=
5.4
÷
(3.94
+
0.86)
×
0.8= 19.28
+
1.82
÷
0.7=
10.56
×
3.75
-
3.75
×
0.56= (1.5
÷
0.8
-
1)
÷
0.4=
(
37.62+20.76
)÷
0.042=
(
17.2-4.5
×
3.6
)÷
0.32=
(6.02 + 2.8 )
÷
0.4 - 2.05= 3.27
×(
80.5-9.84
÷
0.16
)
=
(71.2
-
71.2
×
0.9)
÷
0.25= 1.08
÷(
3.94+34.3
×
0.2
)
=
(
4.25-4.25
×
0.8
)÷
1.7= 1.46
×
5+12.8
÷
0.4
×
7.5=
1.52
-
1.6
×
5
+
5.7= 3.8
+(
24
-
25
×
0.6
)
=
(0.25 +0.125
)÷(
0.75
×
0.4)= 20
-
2.5
×
4
÷
8=
(4.8
-
4.8
×
0.5)
÷
2= 0.8
×(
10.4
+
0.64
)÷
0.92=
(25.3-9.7)
÷
0.3
×
7.6=
(
4.5+1.3
×
6
)÷
1.5=
58.8
÷(
0.6
×
0.7
)÷
0.02= 0.4
×
(3.2-0.8)
÷
1.2=
16.78-1.6
×
1.5
÷
0.8= (53.73-17.49)
×
(2.6+12.4)=
18.64
-
4.35
×
2
+
20.9= 80
-
8.2
×(
10
-
7.6
)
=
(9
-
8.5)
×
(5
-
4.76)
÷
0.1= 1.6
+
8.4
×
1.5
÷
0.18=
(
1.1-0.78
)×(
2.7-1.95
)
=
(
20.2
×
0.6
-
2.8]
÷
0.4=
0.06
×
(10.14
-
0.64)
÷
2= 17.68
÷
5.2+2.7
×
1.5=
19.8+(3.749-0.299)
÷
2.3= 8.6+15.4
÷
0.4
×
1.4=
1.5
×
1.2
-
0.6
÷
2.4= 0.6
×(
6.25
÷
2.5
+
0.25
)
=
4.32
×
15
÷
12
+
5.1
÷
0.85= 5.6
×
(12.5
-
8.5
÷
0.85)=
8.74 - 8.74
÷
23+700
×
0.03= 0.38+9.62
÷
3.7
×
5.4=
4.38
÷(
36.94+34.3
×
0.2
)
=
(
5.84-3.9
)÷
0.4+0.15=
1.6
×
(2.25+27.75
÷
1.5)= 2.02
×
1.027
÷
0.26
)
=
6.5
×
(10-3.7)+2.98= 4.75+8.4
÷
(9.2-6.8)=
4.5
×
(0.75-0.356)+9.23= 5.4+(0.63+1.29
÷
0.23)=
1.46
×
5+12.8
÷
0.4
×
7.5= 2.98
+
6.5
×(
3.2
-
3.12
)
=
(15.6-2.4)
×
0.8+4.32= 4.11
-
0.72
×(
3.38
-
2.13=
(
6.8
-
5.4
)×
2.75
-
0.9= 1
÷
0.25
×(
1.28
÷
3.2
)
=
4.78
+
0.22
×
20
÷
16= 31.7
-
0.5
×
0.7
-
1.65=
10
-
7.5
×(
6.4
-
5.9
)
=
(
2.95
+
10.58
-
1.53
)÷
0.25=
4.2
×
(6.18
–
3.03)+ 6.3= 2.7
÷
4 + 6.3
×
0.25=
2013-02-18
展开全部
口算是吧?
53.7*41.2+47.1*41.2
口算过程:
53.7*41.2+47.1*41.2=53.7*41.2+47.3*41.2-0.2*41.2=(53.7+47.3)*41.2-0.2*41.2=4120-8.24=4111.76
53.7*41.2+47.1*41.2
口算过程:
53.7*41.2+47.1*41.2=53.7*41.2+47.3*41.2-0.2*41.2=(53.7+47.3)*41.2-0.2*41.2=4120-8.24=4111.76
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乘法:先直接相乘,然后看有几位小数就在先直接相乘得数上点几位 除法:先用除法的性质去小数点.然后再项整数除法那样除
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(37*27+1)*0.63/105,其实也不是特别难
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2013-02-19
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我哩个擦,输的太长了吧
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