计算:(1)-3-6+9-11+2(2)(16?34+112)×(?36)×(-24)(3)(-10)-(-10)×12÷2×(-20)(4)(?
计算:(1)-3-6+9-11+2(2)(16?34+112)×(?36)×(-24)(3)(-10)-(-10)×12÷2×(-20)(4)(?1)3?(1?0.5)×...
计算:(1)-3-6+9-11+2(2)(16?34+112)×(?36)×(-24)(3)(-10)-(-10)×12÷2×(-20)(4)(?1)3?(1?0.5)×13×[2?(?3)2](5)(-12)÷(-112)÷(-100)(6)8+(4-5)÷0.1(7)-14-(1-0.5)×[2-(-3)2](8)36×(12?13)2(9)3.14×(-5)+3.14×(-12)+3.14×8
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(1)原式=(-3-6-11)+(2+9)
=-20+11
=-9;
(2)原式=
×(-24)?
×(-24)+
×(-24)
=-4+18-2
=14-2
=12;
(3)原式=-10-(-5)×
×(-20)
=-10-50
=-60;
(4)原式=?1?
×
×(2-9)
=-1+
=
;
(5)原式=(?12)×(?12)×(?
)
=144×(?
)
=-1.44;
(6)原式=8+(-1)×10
=8-10
=-2;
(7)原式=?1?
×(2?9)
=?1+
=
;
(8)原式=36×(
)2
=36×
=1;
(9)原式=3.14×(-5-12+8)
=3.14×(-9)
=-28.26.
=-20+11
=-9;
(2)原式=
1 |
6 |
3 |
4 |
1 |
12 |
=-4+18-2
=14-2
=12;
(3)原式=-10-(-5)×
1 |
2 |
=-10-50
=-60;
(4)原式=?1?
1 |
2 |
1 |
3 |
=-1+
7 |
6 |
=
1 |
6 |
(5)原式=(?12)×(?12)×(?
1 |
100 |
=144×(?
1 |
100 |
=-1.44;
(6)原式=8+(-1)×10
=8-10
=-2;
(7)原式=?1?
1 |
2 |
=?1+
7 |
2 |
=
5 |
2 |
(8)原式=36×(
1 |
6 |
=36×
1 |
36 |
=1;
(9)原式=3.14×(-5-12+8)
=3.14×(-9)
=-28.26.
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