题目内容
计算题
(1)12-(-18)+(-7)-15
(2)-64÷3
×
(3)-63÷7+45÷(-9)
(4)(
+
-
)×(-12)
(5)(-
)×(+6)×(-10)×(-
)
(6)8+(-3)2×(-2)
(7)(-5)3×(-
)+32÷(-22)×(-1
)
(8)100+16÷(-2)4-
-|-100|
(1)12-(-18)+(-7)-15
(2)-64÷3
1 |
5 |
5 |
8 |
(3)-63÷7+45÷(-9)
(4)(
5 |
12 |
2 |
3 |
3 |
4 |
(5)(-
3 |
5 |
1 |
4 |
(6)8+(-3)2×(-2)
(7)(-5)3×(-
3 |
5 |
1 |
4 |
(8)100+16÷(-2)4-
1 |
5 |
(1)12-(-18)+(-7)-15
=12+18-7-15
=30-22
=8;
(2)-64÷3
×
=-64×
×
=-12.5;
(3)-63÷7+45÷(-9)
=-9-5
=-14;
(4)(
+
-
)×(-12)
=-
×12-
×12+
×12
=-5-8+9
=-4;
(5)(-
)×(+6)×(-10)×(-
)
=-3.6+2.5
=-1.1;
(6)8+(-3)2×(-2)
=8+9×(-2)
=8-18
=-10;
(7)(-5)3×(-
)+32÷(-22)×(-1
)
=(-125)×(-
)+32÷(-4)×(-
)
=75+8×
=75+10
=85;
(8)100+16÷(-2)4-
-|-100|
=100+16÷16-
-100
=100+1-
-100
=
.
=12+18-7-15
=30-22
=8;
(2)-64÷3
1 |
5 |
5 |
8 |
=-64×
5 |
16 |
5 |
8 |
=-12.5;
(3)-63÷7+45÷(-9)
=-9-5
=-14;
(4)(
5 |
12 |
2 |
3 |
3 |
4 |
=-
5 |
12 |
2 |
3 |
3 |
4 |
=-5-8+9
=-4;
(5)(-
3 |
5 |
1 |
4 |
=-3.6+2.5
=-1.1;
(6)8+(-3)2×(-2)
=8+9×(-2)
=8-18
=-10;
(7)(-5)3×(-
3 |
5 |
1 |
4 |
=(-125)×(-
3 |
5 |
5 |
4 |
=75+8×
5 |
4 |
=75+10
=85;
(8)100+16÷(-2)4-
1 |
5 |
=100+16÷16-
1 |
5 |
=100+1-
1 |
5 |
=
4 |
5 |
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