题目内容
计算:
(1)-3-6+9-11+2
(2)(
-
+
)×(-36)×(-24)
(3)(-10)-(-10)×
÷2×(-20)
(4)(-1)3-(1-0.5)×
×[2-(-3)2]
(5)(-12)÷(-
)÷(-100)
(6)8+(4-5)÷0.1
(7)-14-(1-0.5)×[2-(-3)2]
(8)36×(
-
)2
(9)3.14×(-5)+3.14×(-12)+3.14×8
(1)-3-6+9-11+2
(2)(
| 1 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
(3)(-10)-(-10)×
| 1 |
| 2 |
(4)(-1)3-(1-0.5)×
| 1 |
| 3 |
(5)(-12)÷(-
| 1 |
| 12 |
(6)8+(4-5)÷0.1
(7)-14-(1-0.5)×[2-(-3)2]
(8)36×(
| 1 |
| 2 |
| 1 |
| 3 |
(9)3.14×(-5)+3.14×(-12)+3.14×8
(1)原式=(-3-6-11)+(2+9)
=-20+11
=-9;
(2)原式=
×(-24)-
×(-24)+
×(-24)
=-4+18-2
=14-2
=12;
(3)原式=-10-(-5)×
×(-20)
=-10-50
=-60;
(4)原式=-1-
×
×(2-9)
=-1+
=
;
(5)原式=(-12)×(-12)×(-
)
=144×(-
)
=-1.44;
(6)原式=8+(-1)×10
=8-10
=-2;
(7)原式=-1-
×(2-9)
=-1+
=
;
(8)原式=36×(
)2
=36×
=1;
(9)原式=3.14×(-5-12+8)
=3.14×(-9)
=-28.26.
=-20+11
=-9;
(2)原式=
| 1 |
| 6 |
| 3 |
| 4 |
| 1 |
| 12 |
=-4+18-2
=14-2
=12;
(3)原式=-10-(-5)×
| 1 |
| 2 |
=-10-50
=-60;
(4)原式=-1-
| 1 |
| 2 |
| 1 |
| 3 |
=-1+
| 7 |
| 6 |
=
| 1 |
| 6 |
(5)原式=(-12)×(-12)×(-
| 1 |
| 100 |
=144×(-
| 1 |
| 100 |
=-1.44;
(6)原式=8+(-1)×10
=8-10
=-2;
(7)原式=-1-
| 1 |
| 2 |
=-1+
| 7 |
| 2 |
=
| 5 |
| 2 |
(8)原式=36×(
| 1 |
| 6 |
=36×
| 1 |
| 36 |
=1;
(9)原式=3.14×(-5-12+8)
=3.14×(-9)
=-28.26.
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