摘要:计算: ++ +(- )+(+)+(-) ++(-)
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计算:
(1)(-16)+(-17)
(2)(-13)+(+8)
(3)(-4)-(+11)-(-9)
(4)13
-(-
)+
-(-
)
(5)(+17
)-(+6.25)-(-8
)-(+0.75)-22
.
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(1)(-16)+(-17)
(2)(-13)+(+8)
(3)(-4)-(+11)-(-9)
(4)13
| 5 |
| 6 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 12 |
(5)(+17
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
计算下列各题:
(1)(-25)+34+156+(-65);
(2)(-64)+17+(-23)+68;
(3)(-42)+57+(-84)+(-23);
(4)63+72+(-96)+(-37);
(5)(-301)+125+301+(-75);
(6)(-52)+24+(-74)+12;
(7)41+(-23)+(-31)+0;
(8)(-26)+52+16+(-72).
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