摘要:1/2**15~2+1.3~5
网址:http://m.1010jiajiao.com/timu3_id_599341[举报]
计算:
(1)-87.21+53
-12.79+43
;
(2)(-4)÷(-5)×(-
);
(3)(
+
+
-
)×(-60);
(4)16÷(-2)3-(-
)×(-4)2.
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(1)-87.21+53
| 19 |
| 21 |
| 2 |
| 21 |
(2)(-4)÷(-5)×(-
| 1 |
| 5 |
(3)(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 4 |
| 5 |
(4)16÷(-2)3-(-
| 1 |
| 8 |