
计算:(1)8+(-10)+(-2)-(-5)(2)-24×(?12+34?13)(3)-9+5×(-6)-18÷(-3)(4)0-23÷(-4
计算:(1)8+(-10)+(-2)-(-5)(2)-24×(?12+34?13)(3)-9+5×(-6)-18÷(-3)(4)0-23÷(-4)3?18(5)-23×2...
计算:(1)8+(-10)+(-2)-(-5)(2)-24×(?12+34?13)(3)-9+5×(-6)-18÷(-3)(4)0-23÷(-4)3?18(5)-23×212÷(?34)-(-2)2×(-5)(6)-|-215|×(12?13)÷115×311.
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(1)原式=8-10-2+5=8+5-10-2=13-12=1;
(2)原式=24×
-24×
+24×
=12-18+8=20-18=2;
(3)原式=-9-30+6=-33;
(4)原式=-8×(-
)-
=
-
=0;
(5)原式=-8×
×(-
)-4×(-5)=
+20=
;
(6)原式=-
×
×
×
=-
.
(2)原式=24×
1 |
2 |
3 |
4 |
1 |
3 |
(3)原式=-9-30+6=-33;
(4)原式=-8×(-
1 |
64 |
1 |
8 |
1 |
8 |
1 |
8 |
(5)原式=-8×
5 |
2 |
4 |
3 |
80 |
3 |
140 |
3 |
(6)原式=-
11 |
5 |
1 |
6 |
5 |
6 |
3 |
11 |
1 |
12 |
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