题目内容
(1)-12012-(1-0.5)×
(2)(
-
)×(-30)
( 3)(-
)2+(-
+1)×0
(4)49
×(-5)
(5)(-6)×8-(-2)2-(-4)2×5
(6)(
-
+
)÷(-
)
| 1 |
| 3 |
(2)(
| 9 |
| 30 |
| 1 |
| 15 |
( 3)(-
| 3 |
| 4 |
| 2 |
| 3 |
(4)49
| 24 |
| 25 |
(5)(-6)×8-(-2)2-(-4)2×5
(6)(
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 24 |
(1)原式=-1-
=-1
;
(2)原式=
×(-30)+
×(-30)=-9-2=-11;
(3)原式=
+0=
;
(4)原式=(50-
)×(-5)=-250+
=-249
;
(5)原式=-48-4-16×5=-48-4-80=-132;
(6)原式=(
-
+
)×(-24)=-8+4-6=-10.
| 1 |
| 6 |
| 1 |
| 6 |
(2)原式=
| 9 |
| 30 |
| 1 |
| 15 |
(3)原式=
| 9 |
| 16 |
| 9 |
| 16 |
(4)原式=(50-
| 1 |
| 25 |
| 1 |
| 5 |
| 4 |
| 5 |
(5)原式=-48-4-16×5=-48-4-80=-132;
(6)原式=(
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 4 |
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