
计算:(1)-4-28-(-29)+(-24);(2)3-|-3|2+(-3)2;(3)(12+56?712)×(?36);(4)-10+8÷(-2
计算:(1)-4-28-(-29)+(-24);(2)3-|-3|2+(-3)2;(3)(12+56?712)×(?36);(4)-10+8÷(-2)2-19×7×(-3...
计算:(1)-4-28-(-29)+(-24);(2)3-|-3|2+(-3)2;(3)(12+56?712)×(?36);(4)-10+8÷(-2)2-19×7×(-3)3.
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(1)-4-28-(-29)+(-24)
=-4-28+29-24
=-56+29
=-27;
(2)3-|-3|2+(-3)2
=3-9+9
=3;
(3)(
+
?
)×(?36)
=
×(-36)+
×(-36)-
×(-36)
=-18-30+21
=-48+21
=-27;
(4)-10+8÷(-2)2-
×7×(-3)3
=-10+8÷4-
×7×(-27)
=-10+2+21
=-10+23
=13.
=-4-28+29-24
=-56+29
=-27;
(2)3-|-3|2+(-3)2
=3-9+9
=3;
(3)(
1 |
2 |
5 |
6 |
7 |
12 |
=
1 |
2 |
5 |
6 |
7 |
12 |
=-18-30+21
=-48+21
=-27;
(4)-10+8÷(-2)2-
1 |
9 |
=-10+8÷4-
1 |
9 |
=-10+2+21
=-10+23
=13.
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