初一有理数加减混合运算题300道答案及过程急急急急!!!! 20
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(1)(-6)-(+6)-(-7)
(2)0-(+8)+(-27)-(+5)
(3) (-32)+(+0.25)+(-61)-(+21)
(4) (+353)+(+443)-(+152)+(-343)
(5)10-[(-8)+(-3)-(-5)]
(6)-1-(6-9)-(1-13)
(7)[1.8-(-1.2+2.1)-0.2]-(-1.5)
(8)-︱-32-(-23)︱-︱(-51)+(-52)︱
(1)-30-(+8)-(+6)-(-17)
(2) ︱-15︱-(-2)-(-5)
(3)-0.6+1.8-5.4+4.2
(4)-116 -97+94-115
(5) -0.8-(-0.08)-(-0.8)-(-0.92)-(-9)
(6)- ︱-0.25︱+43-(-0.125)+ ︱-0.75︱
(7)(3-6-7)-(-12-6+5-7)
(8)(-2.5)+(+65)+(-21)+(+161)
(9) 6-9-9-[4-8-(7-8)-5]
(10) ︱(-21)+(-85)︱(-43)+87︱
-5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
1.455*(38/5)+111/(5/96)+43.3*76
2.(18/5)*(127/5)+37.9*(32/5)
3.[61-(11.9+6.4)*0.5]/5.185
4.137.4*125-56.4*125-125
5.3.78+(3.78*2+3.78*2)*25
6.0.5*[9.9-(10-0.56/5.6)]
7.4.32+[(28.4-25.9)*0.5]/0.1
8.0.04-1.44/3.6*0.01
9.5.43+(8.1-7.2/1.6)*0.25
10.[90-(8.25/0.6+1.25)]*0.01
(1) 3乘(-4)+(-28)除(-7)
(2) -2的4次方+(3—7)的平方—2
(3) 0-(-3)的平方除3乘(-2)的3次方减1/4
(4) -1的4次方减1/6乘[2-(-3)的平方]
(5)(-1)的平方+(-1)的3次方+....+(-1)的2004次方
39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-1]+[-1/2]+3/4+[-1/4]= -1
[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
[-26.54]+[-6.14]+18.54+6.14= -8
1.125+[-17/5]+[-1/8]+[-0.6]= -3
[-|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
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
(2)0-(+8)+(-27)-(+5)
(3) (-32)+(+0.25)+(-61)-(+21)
(4) (+353)+(+443)-(+152)+(-343)
(5)10-[(-8)+(-3)-(-5)]
(6)-1-(6-9)-(1-13)
(7)[1.8-(-1.2+2.1)-0.2]-(-1.5)
(8)-︱-32-(-23)︱-︱(-51)+(-52)︱
(1)-30-(+8)-(+6)-(-17)
(2) ︱-15︱-(-2)-(-5)
(3)-0.6+1.8-5.4+4.2
(4)-116 -97+94-115
(5) -0.8-(-0.08)-(-0.8)-(-0.92)-(-9)
(6)- ︱-0.25︱+43-(-0.125)+ ︱-0.75︱
(7)(3-6-7)-(-12-6+5-7)
(8)(-2.5)+(+65)+(-21)+(+161)
(9) 6-9-9-[4-8-(7-8)-5]
(10) ︱(-21)+(-85)︱(-43)+87︱
-5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
1.455*(38/5)+111/(5/96)+43.3*76
2.(18/5)*(127/5)+37.9*(32/5)
3.[61-(11.9+6.4)*0.5]/5.185
4.137.4*125-56.4*125-125
5.3.78+(3.78*2+3.78*2)*25
6.0.5*[9.9-(10-0.56/5.6)]
7.4.32+[(28.4-25.9)*0.5]/0.1
8.0.04-1.44/3.6*0.01
9.5.43+(8.1-7.2/1.6)*0.25
10.[90-(8.25/0.6+1.25)]*0.01
(1) 3乘(-4)+(-28)除(-7)
(2) -2的4次方+(3—7)的平方—2
(3) 0-(-3)的平方除3乘(-2)的3次方减1/4
(4) -1的4次方减1/6乘[2-(-3)的平方]
(5)(-1)的平方+(-1)的3次方+....+(-1)的2004次方
39+[-23]+0+[-16]= 0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 50
[-1]+[-1/2]+3/4+[-1/4]= -1
[-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
[-26.54]+[-6.14]+18.54+6.14= -8
1.125+[-17/5]+[-1/8]+[-0.6]= -3
[-|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
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
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