题目内容
计算
(1)(-4)2×(-
)+30÷(-6)
(2)-14+(-2)2+|2-5|-6×(
-
).
(1)(-4)2×(-
3 |
4 |
(2)-14+(-2)2+|2-5|-6×(
1 |
2 |
1 |
3 |
(1)(-4)2×(-
)+30÷(-6)
=16×(-
)-5
=-12-5
=-17;
(2)-14+(-2)2+|2-5|-6×(
-
)
=-1+4+3-6×
=-1+4+3-1
=5.
3 |
4 |
=16×(-
3 |
4 |
=-12-5
=-17;
(2)-14+(-2)2+|2-5|-6×(
1 |
2 |
1 |
3 |
=-1+4+3-6×
1 |
6 |
=-1+4+3-1
=5.

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