题目内容
计算题:
(1)-18+(-14)-(-18)-13;
(2)
÷(-
)×
.
(1)-18+(-14)-(-18)-13;
(2)
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
(1)-18+(-14)-(-18)-13,
=-18-14+18-13,
=-27;
(2)
÷(-
)×
,
=
×(-6)×
,
=-
.
=-18-14+18-13,
=-27;
(2)
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
=
| 7 |
| 6 |
| 3 |
| 14 |
=-
| 3 |
| 2 |
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