题目内容
计算题(要求写出计算过程)
①-(-5)×(-4)-3×(-2);
②16×(-2-5)-(-28+14)÷(-7);
③-3-12×(
-
+
);
④-24÷(-8)-[(-1)×(-
)+(-2)]3;
⑤(-3)4÷(-9)-[(-2)×(-
)-(-2)2];
⑥(-37)×(-
)+(-37)×
-(-
)2÷(-
).
①-(-5)×(-4)-3×(-2);
②16×(-2-5)-(-28+14)÷(-7);
③-3-12×(
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |
④-24÷(-8)-[(-1)×(-
| 3 |
| 2 |
⑤(-3)4÷(-9)-[(-2)×(-
| 3 |
| 4 |
⑥(-37)×(-
| 34 |
| 9 |
| 25 |
| 9 |
| 5 |
| 3 |
| 1 |
| 9 |
①原式=-20+6
=-14;
②原式=16×(-7)-(-14)÷(-7)
=-112-2
=-114;
③原式=-3-12×
+12×
-12×
=-3-8+3-6
=-14;
④原式=-16÷(-8)-(
-2)3
=2+
=
;
⑤原式=81÷(-9)-(
-4)
=-9+
=-
;
⑥原式=(-37)×(-
)+(-37)×
-
×(-9)
=(-37)×(-
+
)+25
=(-37)×(-1)+25
=37+25
=62.
=-14;
②原式=16×(-7)-(-14)÷(-7)
=-112-2
=-114;
③原式=-3-12×
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |
=-3-8+3-6
=-14;
④原式=-16÷(-8)-(
| 3 |
| 2 |
=2+
| 1 |
| 8 |
=
| 17 |
| 8 |
⑤原式=81÷(-9)-(
| 3 |
| 2 |
=-9+
| 5 |
| 2 |
=-
| 13 |
| 2 |
⑥原式=(-37)×(-
| 34 |
| 9 |
| 25 |
| 9 |
| 25 |
| 9 |
=(-37)×(-
| 34 |
| 9 |
| 25 |
| 9 |
=(-37)×(-1)+25
=37+25
=62.
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