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计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)23?34?(?56)?(?34)(3)17-(-2)3÷22-4×(-3)+5(4
计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)23?34?(?56)?(?34)(3)17-(-2)3÷22-4×(-3)+5(4)(?16?136+3...
计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)23?34?(?56)?(?34)(3)17-(-2)3÷22-4×(-3)+5(4)(?16?136+34?512)×(?36).
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(1)-8-(-10)+(+6)+(-4)-(-8),
=-8+10+6-4+8,
=10+6-4-8+8,
=16-4,
=12;
(2)
-
-(-
)-(-
),
=
-
+
+
,
=
;
(3)17-(-2)3÷22-4×(-3)+5,
=17+8÷4+12+5,
=17+2+12+5,
=36;
(4)(-
-
+
-
)×(-36),
=-
×(-36)-
×(-36)+
×(-36)-
×(-36),
=6+1-27+15,
=22-27,
=-5.
=-8+10+6-4+8,
=10+6-4-8+8,
=16-4,
=12;
(2)
2 |
3 |
3 |
4 |
5 |
6 |
3 |
4 |
=
2 |
3 |
3 |
4 |
5 |
6 |
3 |
4 |
=
3 |
2 |
(3)17-(-2)3÷22-4×(-3)+5,
=17+8÷4+12+5,
=17+2+12+5,
=36;
(4)(-
1 |
6 |
1 |
36 |
3 |
4 |
5 |
12 |
=-
1 |
6 |
1 |
36 |
3 |
4 |
5 |
12 |
=6+1-27+15,
=22-27,
=-5.
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