计算:(1)(-1)2013×2+(-3)3÷9.(2)(-1)4-5×(-1)3.(3)2×(-3)2-3×(-22)+18(4)(
计算:(1)(-1)2013×2+(-3)3÷9.(2)(-1)4-5×(-1)3.(3)2×(-3)2-3×(-22)+18(4)(-1)100×5+(-2)4÷4(5...
计算:(1)(-1)2013×2+(-3)3÷9.(2)(-1)4-5×(-1)3.(3)2×(-3)2-3×(-22)+18(4)(-1)100×5+(-2)4÷4(5)76×(16?13)×314÷35(6)(-10)3+[(-4)2+(1-32)×2].
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(1)(-1)2013×2+(-3)3÷9
=-1×2+(-27)÷9
=-2-3
=-5.
(2)(-1)4-5×(-1)3
=1-5×(-1)
=1+5
=6.
(3)2×(-3)2-3×(-22)+18
=2×9-3×(-4)+18
=18+12+18
=48.
(4)(-1)100×5+(-2)4÷4
=1×5+16÷4
=5+4
=9.
(5)
×(
?
)×
÷
=
×(-
)×
×
=-
.
(6)(-10)3+[(-4)2+(1-32)×2]
=-1000+[16-8×2]
=-1000+0
=-1000.
=-1×2+(-27)÷9
=-2-3
=-5.
(2)(-1)4-5×(-1)3
=1-5×(-1)
=1+5
=6.
(3)2×(-3)2-3×(-22)+18
=2×9-3×(-4)+18
=18+12+18
=48.
(4)(-1)100×5+(-2)4÷4
=1×5+16÷4
=5+4
=9.
(5)
7 |
6 |
1 |
6 |
1 |
3 |
3 |
14 |
3 |
5 |
=
7 |
6 |
1 |
6 |
3 |
14 |
5 |
3 |
=-
5 |
72 |
(6)(-10)3+[(-4)2+(1-32)×2]
=-1000+[16-8×2]
=-1000+0
=-1000.
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