七年级有理数混和运算,要有加减乘除的,30道,最好是简便的,明天要交,急
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七年级有理数混和运算,要有加减乘除的,30道,最好是简便的,明天要交,急
![七年级有理数混和运算,要有加减乘除的,30道,最好是简便的,明天要交,急](/uploads/image/z/17069839-7-9.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E6%9C%89%E7%90%86%E6%95%B0%E6%B7%B7%E5%92%8C%E8%BF%90%E7%AE%97%2C%E8%A6%81%E6%9C%89%E5%8A%A0%E5%87%8F%E4%B9%98%E9%99%A4%E7%9A%84%2C30%E9%81%93%2C%E6%9C%80%E5%A5%BD%E6%98%AF%E7%AE%80%E4%BE%BF%E7%9A%84%2C%E6%98%8E%E5%A4%A9%E8%A6%81%E4%BA%A4%2C%E6%80%A5)
[-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)/1/239+[-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
[-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)/1/239+[-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