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计算:(1)23-17-(-7)+(-16);(2)?5+6÷(?2)×13;(3)?36×(14?19?112);(4)-23+|5-8|+24÷(
计算:(1)23-17-(-7)+(-16);(2)?5+6÷(?2)×13;(3)?36×(14?19?112);(4)-23+|5-8|+24÷(-3)....
计算:(1)23-17-(-7)+(-16);(2)?5+6÷(?2)×13;(3)?36×(14?19?112);(4)-23+|5-8|+24÷(-3).
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(1)23-17-(-7)+(-16)
=23-17+7-16
=-3;
(2)?5+6÷(?2)×
=?5+6×(?
)×
=-5-1
=-6;
(3)?36×(
?
?
)
=?36×
?
×(?36)?
×(?36)
=-9+4+3
=-2;
(4)-23+|5-8|+24÷(-3)
=-8+3+(-8)
=-13.
=23-17+7-16
=-3;
(2)?5+6÷(?2)×
1 |
3 |
=?5+6×(?
1 |
2 |
1 |
3 |
=-5-1
=-6;
(3)?36×(
1 |
4 |
1 |
9 |
1 |
12 |
=?36×
1 |
4 |
1 |
9 |
1 |
12 |
=-9+4+3
=-2;
(4)-23+|5-8|+24÷(-3)
=-8+3+(-8)
=-13.
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