求40道有理数加法运算律的题简便运算 越快越好?
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[-|98|+76+(-87)]+23
[56+(-75)-7]-(8+4+3)
1) (+1)+(-21/2)+(-83/37)+(-9.5);
2) (+0.5)+(-13/4)+(-2.75)+(+11/2)
39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-26.54]+[-6.14]+18.54+6.14= -8
(-6-24.3)-(-12+9.1)+(0-2.1);
-40-28-(-19)+(-24)
22.54+(-4.4)+(-12.54)+4.4
-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
[8+(-5)]+(-4);
8+[(-5)+(-4)];
[(-7)+(-10)]+(-11);
(-7)+[(-10)+(-11)];
[(-22)+(-27)]+(+27);
(-22)+[(-27)+(+27)].
16+(-25)+24+(-32).
23+(-17)+6+(-22);
(-2)+3+1+(-3)+2+(-4);
(-7)+(-6.5)+(-3)+6.5.
(-8)+10+2+(-1);
5+(-6)+3+9+(-4)+(-7);
(-0.8)+1.2+(-0.7)+(-2.1)+0.8+3.5;
(-17)+59+(-37);
(-18.65)+(-6.15)+18.15+6.15;
12+7-5-30+2,14,(-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
,6,1.12+7-5-30+2
2.(-1/3)-(+1/2)+(-3/4)-(-2/3);
3.(-1.5)+1.4-(-3.6)-4.3+(-5.2)-(+1).
4.(-6)-(-7)+(-5)-(+9) 30.
计算下列各题:
(1)[8+(-5)]+(-4); (2)8+[(-5)+(-4)]; (3)[(-7)+(-10)]+(-11);...,2,
[56+(-75)-7]-(8+4+3)
1) (+1)+(-21/2)+(-83/37)+(-9.5);
2) (+0.5)+(-13/4)+(-2.75)+(+11/2)
39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-26.54]+[-6.14]+18.54+6.14= -8
(-6-24.3)-(-12+9.1)+(0-2.1);
-40-28-(-19)+(-24)
22.54+(-4.4)+(-12.54)+4.4
-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
[8+(-5)]+(-4);
8+[(-5)+(-4)];
[(-7)+(-10)]+(-11);
(-7)+[(-10)+(-11)];
[(-22)+(-27)]+(+27);
(-22)+[(-27)+(+27)].
16+(-25)+24+(-32).
23+(-17)+6+(-22);
(-2)+3+1+(-3)+2+(-4);
(-7)+(-6.5)+(-3)+6.5.
(-8)+10+2+(-1);
5+(-6)+3+9+(-4)+(-7);
(-0.8)+1.2+(-0.7)+(-2.1)+0.8+3.5;
(-17)+59+(-37);
(-18.65)+(-6.15)+18.15+6.15;
12+7-5-30+2,14,(-38)+52+118+(-62)=
(-32)+68+(-29)+(-68)=
(-21)+251+21+(-151)=
12+35+(-23)+0=
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
,6,1.12+7-5-30+2
2.(-1/3)-(+1/2)+(-3/4)-(-2/3);
3.(-1.5)+1.4-(-3.6)-4.3+(-5.2)-(+1).
4.(-6)-(-7)+(-5)-(+9) 30.
计算下列各题:
(1)[8+(-5)]+(-4); (2)8+[(-5)+(-4)]; (3)[(-7)+(-10)]+(-11);...,2,
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