题目内容
细心算一算,马到成功!
(1)-5+|8|-(+6)+(-2)
(2)3×(-4)+(-28)÷7
(3)(-
)÷
×3(-1
)
(4)4×(-3)2-15÷(-3)-50
(5)|-
|÷(
-
)-
×(-4)2
(6)-32×(-2)+(-4)2-(-2)÷
.
(1)-5+|8|-(+6)+(-2)
(2)3×(-4)+(-28)÷7
(3)(-
| 3 |
| 5 |
| 1 |
| 3 |
| 1 |
| 9 |
(4)4×(-3)2-15÷(-3)-50
(5)|-
| 7 |
| 9 |
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
(6)-32×(-2)+(-4)2-(-2)÷
| 1 |
| 2 |
(1)-5+|8|-(+6)+(-2)
=-5+8-6-2
=-5;
(2)3×(-4)+(-28)÷7
=-12-4
=-16;
(3)(-
)÷
×3(-1
)
=(-
)×3×3×(-
)
=6;
(4)4×(-3)2-15÷(-3)-50
=4×9+5-50
=36+5-50
=-9;
(5)|-
|÷(
-
)-
×(-4)2
=
×
-
×16
=
-
=-
;
(6)-32×(-2)+(-4)2-(-2)÷
=-9×(-2)+16-(-2)×2
=18+16+4
=38.
=-5+8-6-2
=-5;
(2)3×(-4)+(-28)÷7
=-12-4
=-16;
(3)(-
| 3 |
| 5 |
| 1 |
| 3 |
| 1 |
| 9 |
=(-
| 3 |
| 5 |
| 10 |
| 9 |
=6;
(4)4×(-3)2-15÷(-3)-50
=4×9+5-50
=36+5-50
=-9;
(5)|-
| 7 |
| 9 |
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
=
| 7 |
| 9 |
| 15 |
| 7 |
| 1 |
| 3 |
=
| 5 |
| 3 |
| 16 |
| 3 |
=-
| 11 |
| 3 |
(6)-32×(-2)+(-4)2-(-2)÷
| 1 |
| 2 |
=-9×(-2)+16-(-2)×2
=18+16+4
=38.
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