题目内容
计算
(1)23-17-(-7)+(-16)
(2)26×
-26
-26×(-
)
(3)(
-
-
)×(-36)÷(-2)
(4)-3×(-
)2-22×(
-1)-8÷(-
)3.
(1)23-17-(-7)+(-16)
(2)26×
| 5 |
| 8 |
| 1 |
| 8 |
| 1 |
| 4 |
(3)(
| 1 |
| 4 |
| 1 |
| 9 |
| 1 |
| 12 |
(4)-3×(-
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
(1)原式=23-17+7-16=6+7-16=13-16=-3;
(2)原式=26×(
-
+
)=26×(
+
)=26×
=
;
(3)原式=(
-
-
)×(-36)×(-
)=(
-
-
)×18=
-2-=
=1;
(4)原式=-3×
-4×(-
)-8÷(-
)=-
+
+8×
=27.
(2)原式=26×(
| 5 |
| 8 |
| 1 |
| 8 |
| 1 |
| 4 |
| 2 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 39 |
| 2 |
(3)原式=(
| 1 |
| 4 |
| 1 |
| 9 |
| 1 |
| 12 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 9 |
| 1 |
| 12 |
| 9 |
| 2 |
| 3 |
| 2 |
(4)原式=-3×
| 4 |
| 9 |
| 1 |
| 3 |
| 8 |
| 27 |
| 4 |
| 3 |
| 4 |
| 3 |
| 27 |
| 8 |
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