题目内容

计算题:(能简算的要简算)
(1)(3.8+
1
2
)-(
3
5
+2.4÷2
2
3

(2)(2
7
8
-2.625)÷0.5%
(3)1.9×5-(2.5+1
2
7

(4)6
1
3
×1.2+1×3
2
3

(5)(3
1
4
-1
1
2
)÷3
1
2
+5
1
2
(1)(3.8+
1
2
)-(
3
5
+2.4÷2
2
3

=4.3+1.5,
=5.8;
(2)(2
7
8
-2.625)÷0.5%
=0.25÷0.005
=50;
(3)1.9×5-(2.5+1
2
7

=9.5-3
11
14

=9
1
2
-3
11
14

=5
5
7

(4)6
1
3
×1.2+1×3
2
3

=7.6+3
2
3

=7
3
5
+3
2
3

=11
4
15

(5)(3
1
4
-1
1
2
)÷3
1
2
+5
1
2

=1
3
4
÷3
1
2
+5
1
2

=
7
4
×
2
7
+5
1
2

=
1
2
+5
1
2

=6.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网