题目内容
计算
(1)0.5+(-
)-2.75+(-
)
(2)10÷[
-(-1+1
)]×6
(3)-32÷(-3)2+3×(-2)+|-4|
(4)-13-(1-0.5)×
×[3-(-3)2]
(5)-7×(-
)+19×(-
)-5×(-
)
(6)-99
×34.
(1)0.5+(-
1 |
4 |
1 |
2 |
(2)10÷[
1 |
2 |
1 |
3 |
(3)-32÷(-3)2+3×(-2)+|-4|
(4)-13-(1-0.5)×
1 |
3 |
(5)-7×(-
22 |
7 |
22 |
7 |
22 |
7 |
(6)-99
16 |
17 |
(1)原式=0.5-
-2.75-
=0.5-
-
-2.75
=0-3
=-3;
(2)原式=10÷[
-
)×6
=10×6×6
=360;
(3)原式=-9÷9-6+4
=-1-6+4
=-7+4
=-3;
(4)原式=-1-
×
×[3-9]
=1-
×
×(-6)
=1+1
=2;
(5)原式=(-7+19-5)×(-
)
=7×(-
)
=-22;
(6)(-100+
)×34
=-100×34+
×34
=-3400+2
=-3398.
1 |
4 |
1 |
2 |
=0.5-
1 |
2 |
1 |
4 |
=0-3
=-3;
(2)原式=10÷[
1 |
2 |
1 |
3 |
=10×6×6
=360;
(3)原式=-9÷9-6+4
=-1-6+4
=-7+4
=-3;
(4)原式=-1-
1 |
2 |
1 |
3 |
=1-
1 |
2 |
1 |
3 |
=1+1
=2;
(5)原式=(-7+19-5)×(-
22 |
7 |
=7×(-
22 |
7 |
=-22;
(6)(-100+
1 |
17 |
=-100×34+
1 |
17 |
=-3400+2
=-3398.
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