
计算:(1)3-(-8)(2)(-20)÷5(3)(?12)+(?34)+(+134)(4)(-24)÷2×(-3)÷(-6)(5)24×(
计算:(1)3-(-8)(2)(-20)÷5(3)(?12)+(?34)+(+134)(4)(-24)÷2×(-3)÷(-6)(5)24×(?12+34?13)(6)?1...
计算:(1)3-(-8)(2)(-20)÷5(3)(?12)+(?34)+(+134)(4)(-24)÷2×(-3)÷(-6)(5)24×(?12+34?13)(6)?14÷(?5)2×523+|?2|.
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(1)原式=3+8=11;
(2)原式=-4;
(3)原式=-
+
=
;
(4)原式=-6;
(5)原式=-12+18-8=-2;
(6)原式=-1×
×
+2=1
.
(2)原式=-4;
(3)原式=-
5 |
4 |
7 |
4 |
1 |
2 |
(4)原式=-6;
(5)原式=-12+18-8=-2;
(6)原式=-1×
1 |
25 |
25 |
3 |
2 |
3 |
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