
计算:(1)-32-(-17)-|-23| (2)4×(-5 )-12÷(-6 ) (3)(38+13-12)÷124 (4)-14+(1+0.
计算:(1)-32-(-17)-|-23|(2)4×(-5)-12÷(-6)(3)(38+13-12)÷124(4)-14+(1+0.5)×13÷4....
计算:(1)-32-(-17)-|-23| (2)4×(-5 )-12÷(-6 ) (3)(38+13-12)÷124 (4)-14+(1+0.5)×13÷4.
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(1)原式=-32+17-23
=-55+17
=-38;
(2)原式=-20+2=-18;
(3)原式=9+8-12=5;
(4)原式=-1-
×
×
=-1+
=-
.
=-55+17
=-38;
(2)原式=-20+2=-18;
(3)原式=9+8-12=5;
(4)原式=-1-
3 |
2 |
1 |
3 |
1 |
4 |
=-1+
1 |
8 |
=-
7 |
8 |
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