小学数学五年级简便计算题及答案
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2021年01月30日 03:06
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五年级数学简便计算题及答案
3.29+0.73+2.27
7.325-3.29-3.325
3.29
×
0.25
×
4
0.125
×
3.2
×
2.5
3.5
×
101-3.5
3.5
×
2.7-3.5
×
0.7
4.9
÷
1.4
3.29-0.73-2.27
7.325-(5.325+1.7)
0.125
×
8.8
35
×
10.2
3.5
×
9.9+3.5
×
0.1
(32+5.6)
÷
0.8
7
÷
0.25
÷
4
7.5+2.5-7.5+2.5
3.29+0.73-2.29+2.27
0.25
×
0.28
0.25
×
4
÷
0.25
×
4
3.5
×
2.7+35
×
0.73
3.5
÷
0.6-0.5
÷
0.6
7
÷
0.125
7.35
÷
(7.35
×
0.25)
7.35
÷
(7.35
÷
0.25)
3.07
-
0.38
-
1.62
1.29
+
3.7
+
2.71
+
6.3
8
-
2.45
-
1.55
3.25
+
1.79
-
0.59
+
1.75
23.4
-
0.8
-
13.4
-
7.2
3.2
+
0.36
+
4.8
+
1.64
12.7
-(
3.7
+
0.84
)
7.6
×
0.8
+
0.2
×
7.6
0.32
×
403
1.23
+
3.4
-
0.23
+
6.6
36.54
-
1.76
-
4.54
0.85
×
199
0.25
×
36
0.25
×
0.73
×
4
0.25
×
8.5
×
4
1.28
×
8.6
+
0.72
×
8.6
12.5
×
0.96
×
0.8
10.4
-
9.6
×
0.35
0.8
×(
4.3
×
1.25
)
3.12
+
3.12
×
99
28.6
×
101
-
28.6
(
4.23
+
6.17
)×
0.8
0.86
×
15.7
-
0.86
×
14.7
2.4
×
102
14
-
7.32
-
2.68
2.64
+
8.67
+
7.36
+
11.33
答案
3.29
+
0.73
+
2.27
=3.29
+(
0.73
+
2.27
)
+
2.5
)
=3.29
+
3
=6.29
(加法结合律)
3.29
-
0.73
-
2.27
=3.29
-(
0.73
+
2.27
)
7.5
+
2.5
-
7.5
+
2.5
=
(
7.5
-
7.5
)+(
2.5
=3.29
-
3
=0.29
(减法的性质)
=0
+
5
=5
(同级运算交换)
7.325
-
3.29
-
3.325
7.325
-
(5.325
+
1.7)
=7.325
-
3.325
-
3.29
=7.325
-
5.325
-
1.7
=4
-
3.29
=2
-
1.7
=0.71
=0.3
(减法交换)
(减法的性质)
3.29
+
0.73
-
2.29
+
2.27
3.29
×
0.25
×
4
=
(
3.29
-
2.29
)+(
0.73
+
2.27
)
=3.29
×(
0.25
×
4
)
=1
+< br>3
=3.29
×
1
=4
=3.29
(同级运算交换)
(乘法结合律)
合律)
0.25
×
0.28
0.125
×
3.2
×
2.5
=0.25
×
4
×
0.07
=
(
0.1 25
×
8
)×(
0.4
×
2.5
)
=35
×(
10
+
0.2
)
=1
×
0.07
=1
×
1
=35
×
10
+
35
×
0.2
0.125
×
8.8
=0.125
×
8
×
1.1
=1
×
1.1
=1.1
(先拆数,乘法结
35
×
10.2