跪求异分数加减法算式题,大概2到3个分数加减就可以了.多一点
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跪求异分数加减法算式题,大概2到3个分数加减就可以了.多一点
![跪求异分数加减法算式题,大概2到3个分数加减就可以了.多一点](/uploads/image/z/4714888-40-8.jpg?t=%E8%B7%AA%E6%B1%82%E5%BC%82%E5%88%86%E6%95%B0%E5%8A%A0%E5%87%8F%E6%B3%95%E7%AE%97%E5%BC%8F%E9%A2%98%2C%E5%A4%A7%E6%A6%822%E5%88%B03%E4%B8%AA%E5%88%86%E6%95%B0%E5%8A%A0%E5%87%8F%E5%B0%B1%E5%8F%AF%E4%BB%A5%E4%BA%86.%E5%A4%9A%E4%B8%80%E7%82%B9)
(1)4/5-1/3+5/6=
(2)7/15+5/3-3/5=
(3)7/8-1/2-1/4+15/16+
(4)9/15+2/3-4/5=
(5)15/16+1/2-17/32=
(6)14/25+15/4-2/3=
再问: 你不觉得有点少么?
再答: (1)4/7+2/3-5/6= (2)4/15+5/26-13/30= (3)5/3+7/6= (4)1/2+1/3= (5)1/2-1/3= (6)1/2+3/4-3/10= (7)2/9+5/6+1/3= (8)4/5-3/10+2/3= (9)1/2-3/4+3/8= (10)5/6-1/3+3/10= (11)1/2+1/4+1/6+1/8+1/10= (12)2/3+4/7-3/10= (13)1/4-2/9+4/5-5/9= (14)2/3-1/4= (15) 2/5+3/7= (16) 4/3-7/2= (17)8/3+5/2= (18)5/2 -( 3/2 + 4/5 )= (19)7/8 + ( 1/8 + 1/9 )= (20)9/7 - ( 2/7 – 10/21 )= (21)1-1/4+8/9/+7/9= (22)3/9+4/6= (23)2/5+6/7= (24)6/8+9/10= (25)2/5+3/6+1= (26)5/8+2/5= (27)2/3-3/5= 6/7+1/2= 6/7-1/2= 2/3+1/6= 1/3+1/4= 1/3-1/4= 1/5+1/7= 12/5-1/7= 1/4+1/9= 1/8+1/9= 1/8-1/9= 1/10+7/9= 5/7-1/6= 1-5/9= 1/5+3/8= 3/4+1/5= 2/3-3/5= 1-2/5= 5/8-1/9= 1/10-1/20= 1/6+3/8= 4 5/9-1/2= 2/3+1/4= 1/2+1/3=
再问: 在多点?
(2)7/15+5/3-3/5=
(3)7/8-1/2-1/4+15/16+
(4)9/15+2/3-4/5=
(5)15/16+1/2-17/32=
(6)14/25+15/4-2/3=
再问: 你不觉得有点少么?
再答: (1)4/7+2/3-5/6= (2)4/15+5/26-13/30= (3)5/3+7/6= (4)1/2+1/3= (5)1/2-1/3= (6)1/2+3/4-3/10= (7)2/9+5/6+1/3= (8)4/5-3/10+2/3= (9)1/2-3/4+3/8= (10)5/6-1/3+3/10= (11)1/2+1/4+1/6+1/8+1/10= (12)2/3+4/7-3/10= (13)1/4-2/9+4/5-5/9= (14)2/3-1/4= (15) 2/5+3/7= (16) 4/3-7/2= (17)8/3+5/2= (18)5/2 -( 3/2 + 4/5 )= (19)7/8 + ( 1/8 + 1/9 )= (20)9/7 - ( 2/7 – 10/21 )= (21)1-1/4+8/9/+7/9= (22)3/9+4/6= (23)2/5+6/7= (24)6/8+9/10= (25)2/5+3/6+1= (26)5/8+2/5= (27)2/3-3/5= 6/7+1/2= 6/7-1/2= 2/3+1/6= 1/3+1/4= 1/3-1/4= 1/5+1/7= 12/5-1/7= 1/4+1/9= 1/8+1/9= 1/8-1/9= 1/10+7/9= 5/7-1/6= 1-5/9= 1/5+3/8= 3/4+1/5= 2/3-3/5= 1-2/5= 5/8-1/9= 1/10-1/20= 1/6+3/8= 4 5/9-1/2= 2/3+1/4= 1/2+1/3=
再问: 在多点?