问题:
计算
(1)(-17)+(-13)-18;
(2)(-2)÷
1
3
×(-5);
(3)(
1
3
+
1
6
-
1
18
)×18
(4)-10+8÷(-2) 2-(-2) 2×(-3)
计算
(1)(-17)+(-13)-18;
(2)(-2)÷
×(-5);
(3)(
+
-
)×18
(4)-10+8÷(-2) 2-(-2) 2×(-3)
(1)(-17)+(-13)-18;
(2)(-2)÷
1 |
3 |
(3)(
1 |
3 |
1 |
6 |
1 |
18 |
(4)-10+8÷(-2) 2-(-2) 2×(-3)
参考答案: