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计算(1)1.52-(-313)-(+214)-23;(2)(+449)-(+7.3)+(559)+(-2.7);(3)(-13)-(+28)+(-34)-(-46)+(
题目详情
计算
(1)1.52-(-3
)-(+2
)-
;
(2)(+4
)-(+7.3)+(5
)+(-2.7);
(3)(-13)-(+28)+(-34)-(-46)+(+22);
(4)|52
-75
|-22
.
(1)1.52-(-3
1 |
3 |
1 |
4 |
2 |
3 |
(2)(+4
4 |
9 |
5 |
9 |
(3)(-13)-(+28)+(-34)-(-46)+(+22);
(4)|52
16 |
17 |
13 |
29 |
13 |
29 |
▼优质解答
答案和解析
(1)1.52-(-3
)-(+2
)-
=
+3
-2
-
=
;
(2)(+4
)-(+7.3)+(5
)+(-2.7)
=4
+5
-2.7-7.3
=10-10
=0;
(3)(-13)-(+28)+(-34)-(-46)+(+22)
=-13-28-34+46+22
=-75+68
=-7;
(4)|52
-75
|-22
=75
-22
-52
=
.
1 |
3 |
1 |
4 |
2 |
3 |
=
9 |
4 |
1 |
3 |
1 |
4 |
2 |
3 |
=
8 |
3 |
(2)(+4
4 |
9 |
5 |
9 |
=4
4 |
9 |
5 |
9 |
=10-10
=0;
(3)(-13)-(+28)+(-34)-(-46)+(+22)
=-13-28-34+46+22
=-75+68
=-7;
(4)|52
16 |
17 |
13 |
29 |
13 |
29 |
=75
13 |
29 |
13 |
29 |
16 |
17 |
=
1 |
17 |
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