
计算:(1)-8+(-15)÷(-5)(2)(?35)×(?312)÷(114)÷3(3)5?3÷2×12?|?2|÷(?12)(4)(-24)
计算:(1)-8+(-15)÷(-5)(2)(?35)×(?312)÷(114)÷3(3)5?3÷2×12?|?2|÷(?12)(4)(-24)÷(12?13)....
计算:(1)-8+(-15)÷(-5)(2)(?35)×(?312)÷(114)÷3(3)5?3÷2×12?|?2|÷(?12)(4)(-24)÷(12?13).
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(1)-8+(-15)÷(-5)
=-8+3
=-5;
(2)(?
)×(?3
)÷(1
)÷3
=(-
)×(-
)×
×
=
;
(3)5?3÷2×
?|?2|÷(?
)
=5-3×
×
-2×(-2)
=8
;
(4)(-24)÷(
?
)
=-24÷
=-144.
=-8+3
=-5;
(2)(?
3 |
5 |
1 |
2 |
1 |
4 |
=(-
3 |
5 |
7 |
2 |
4 |
5 |
1 |
3 |
=
14 |
25 |
(3)5?3÷2×
1 |
2 |
1 |
2 |
=5-3×
1 |
2 |
1 |
2 |
=8
1 |
4 |
(4)(-24)÷(
1 |
2 |
1 |
3 |
=-24÷
1 |
6 |
=-144.
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