题目内容
(1)(-100)+100
(2)(-35)+0
(3)(-0.5)+4.4
(4)(-16)+(-8)
(5)(-4.2)+4.25
(6)0-(+52)
(7)(-14)-(-15)
(8)(-1.24)-(+4.76)
(9)(-6)×0
(10)(-0.5)×(-8)
(11)(
-
+
)×12
(12)100×(-1)×(-0.1)
(13)(-
)-(-3
)+(+2
)-(+5
)
(14)|-2
|-(-
)+1-|1-
|
(15)1-(-1)(-1)-(-1)×0
(16)-4.2+5.7-7.6+10.1-5.5
(17)25×
-25×
-25×(-
)
(18)(-5)-(-25)×
×(-4)+(-6)×
.
(2)(-35)+0
(3)(-0.5)+4.4
(4)(-16)+(-8)
(5)(-4.2)+4.25
(6)0-(+52)
(7)(-14)-(-15)
(8)(-1.24)-(+4.76)
(9)(-6)×0
(10)(-0.5)×(-8)
(11)(
1 |
4 |
1 |
2 |
1 |
6 |
(12)100×(-1)×(-0.1)
(13)(-
1 |
2 |
1 |
4 |
3 |
4 |
1 |
2 |
(14)|-2
1 |
4 |
3 |
4 |
1 |
2 |
(15)1-(-1)(-1)-(-1)×0
(16)-4.2+5.7-7.6+10.1-5.5
(17)25×
3 |
4 |
1 |
2 |
1 |
4 |
(18)(-5)-(-25)×
1 |
5 |
1 |
2 |
(1)原式=0;
(2)原式=-35;
(3)原式=4.4-0.5
=3.9;
(4)原式=-24;
(5)原式=0.05;
(6)原式=-52;
(7)原式=-14+15
=1;
(8)原式=-1.24-4.76
=-6;
(9)原式=0;
(10)原式=4;
(11)原式=
×12-
×12+
×12
=3-6+2=5-6
=-1;
(12)原式=10;
(13)原式=-
+3
+2
-5
=-6+6
=0;
(14)原式=2
+
+1-
=3+
=3
;
(15)原式=1-1-0
=0;
(16)原式=-4.2-5.5+5.7-7.6+10.1
=-9.7+5.7+2.5
=-4+2.5
=-1.5;
(17)原式=25(
-
+
)
=25×
=12.5;
(18)原式=-5-20-3
=-28.
(2)原式=-35;
(3)原式=4.4-0.5
=3.9;
(4)原式=-24;
(5)原式=0.05;
(6)原式=-52;
(7)原式=-14+15
=1;
(8)原式=-1.24-4.76
=-6;
(9)原式=0;
(10)原式=4;
(11)原式=
1 |
4 |
1 |
2 |
1 |
6 |
=3-6+2=5-6
=-1;
(12)原式=10;
(13)原式=-
1 |
2 |
1 |
4 |
3 |
4 |
1 |
2 |
=-6+6
=0;
(14)原式=2
1 |
4 |
3 |
4 |
1 |
2 |
=3+
1 |
2 |
=3
1 |
2 |
(15)原式=1-1-0
=0;
(16)原式=-4.2-5.5+5.7-7.6+10.1
=-9.7+5.7+2.5
=-4+2.5
=-1.5;
(17)原式=25(
3 |
4 |
1 |
2 |
1 |
4 |
=25×
1 |
2 |
=12.5;
(18)原式=-5-20-3
=-28.
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