
计算:(1)3+4×(-2)(2)1-(2-3)2×(-2)3(3)(-12)0+(-2)3+(13)-1+|-2|(4)-18÷14-(-2
计算:(1)3+4×(-2)(2)1-(2-3)2×(-2)3(3)(-12)0+(-2)3+(13)-1+|-2|(4)-18÷14-(-2)×8;(5)(-24)×(...
计算:(1)3+4×(-2)(2)1-(2-3)2×(-2)3(3)(-12)0+(-2)3+(13)-1+|-2|(4)-18÷14-(-2)×8;(5)(-24)×(18-123+16)
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(1)3+4×(-2)
=3-8
=-5;
(2)1-(2-3)2×(-2)3
=1-1×(-8)
=1+8
=9;
(3)(-
)0+(-2)3+(
)-1+|-2|
=1-8+3+2
=-2;
(4)-18÷
-(-2)×8
=-4-(-16)
=-4+16
=12;
(5)(-24)×(
-1
+
)
=(-24)×
-(-24)×1
+(-24)×
=-3+40-4
=33.
=3-8
=-5;
(2)1-(2-3)2×(-2)3
=1-1×(-8)
=1+8
=9;
(3)(-
1 |
2 |
1 |
3 |
=1-8+3+2
=-2;
(4)-18÷
1 |
4 |
=-4-(-16)
=-4+16
=12;
(5)(-24)×(
1 |
8 |
2 |
3 |
1 |
6 |
=(-24)×
1 |
8 |
2 |
3 |
1 |
6 |
=-3+40-4
=33.
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