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计算:(11)(−57)×(−43)÷(−217)(12)-12+135−4.5+325−513(13)(−13)−(+23)−|−34|−(−14)(14)-513+21112−1614−356(15)-0.125×1820012002×8.
题目详情
计算:
(11)(−
)×(−
)÷(−2
)
(12)-
+1
−4.5+3
−5
(13)(−
)−(+
)−|−
|−(−
)
(14)-5
+2
−16
−3
(15)-0.125×18
×8.
(11)(−
| 5 |
| 7 |
| 4 |
| 3 |
| 1 |
| 7 |
(12)-
| 1 |
| 2 |
| 3 |
| 5 |
| 2 |
| 5 |
| 1 |
| 3 |
(13)(−
| 1 |
| 3 |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
(14)-5
| 1 |
| 3 |
| 11 |
| 12 |
| 1 |
| 4 |
| 5 |
| 6 |
(15)-0.125×18
| 2001 |
| 2002 |
▼优质解答
答案和解析
(11)原式=-
×
×
=
;
(12)原式=-
-4.5+1
+3
-5
=-5+5-5
=-5
;
(13)原式=-
-
-
+
=-1-
=-1
;
(14)原式=-25
+2
=-22
;
(15)原式=-0.125×8×18
=-18
.
| 5 |
| 7 |
| 4 |
| 3 |
| 7 |
| 15 |
=
| 4 |
| 9 |
(12)原式=-
| 1 |
| 2 |
| 3 |
| 5 |
| 2 |
| 5 |
| 1 |
| 3 |
=-5+5-5
| 1 |
| 3 |
=-5
| 1 |
| 3 |
(13)原式=-
| 1 |
| 3 |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
=-1-
| 1 |
| 2 |
=-1
| 1 |
| 2 |
(14)原式=-25
| 5 |
| 12 |
| 11 |
| 12 |
=-22
| 1 |
| 2 |
(15)原式=-0.125×8×18
| 2001 |
| 2002 |
=-18
| 2001 |
| 2002 |
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