四道:有理数的加减法混合运算..
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/07/15 23:28:14
四道:有理数的加减法混合运算..
这类的数表示12分之五.这类型的..5/12
希望你们能给我过程,这样我能理解些.
(1) 2-5/12-5/18+1/12-7/18-42/17
(2) (+11/3)+(-7.29)+(-5/2)+(-0.52)+(+7.29)+(+0.52)
(3) -0.23+(-4.24)-(+1.21)-(-8.54)
(4) -3/2+1/3+5/6-5/4
这类的数表示12分之五.这类型的..5/12
希望你们能给我过程,这样我能理解些.
(1) 2-5/12-5/18+1/12-7/18-42/17
(2) (+11/3)+(-7.29)+(-5/2)+(-0.52)+(+7.29)+(+0.52)
(3) -0.23+(-4.24)-(+1.21)-(-8.54)
(4) -3/2+1/3+5/6-5/4
![四道:有理数的加减法混合运算..](/uploads/image/z/1973259-27-9.jpg?t=%E5%9B%9B%E9%81%93%EF%BC%9A%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E5%8A%A0%E5%87%8F%E6%B3%95%E6%B7%B7%E5%90%88%E8%BF%90%E7%AE%97..)
-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
-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
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
-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