30道,急.,好的给80分悬赏

问题描述:

30道,急.,好的给80分悬赏
1个回答 分类:数学 2014-11-25

问题解答:

我来补答
(1)2x+8=16 (2)x/5=10(3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-8=30 (31)6x+6=12 (32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8(43)8x+9=17 (44)9+6x=14 (45)x+9x=4+7 (46)2x+9=17 (47)8-4x=6 (48)6x-7=12 (49)7x-9=8 (50)x-56=1 (51)8-7x=1 (52)x-30=12 (53)6x-21=21 (54)6x-3=6 (55)9x=18 (56)4x-18=13 (57)5x+9=11 (58)6-2x=11 (59)x+4+8=23 (60)7x-12=8 (61)X-5.7=2.15 (62)15 5X-2X=18(62)3X 0.7=5 (63)3.5×2= 4.2 x (64)26×1.5= 2x (65)0.5×16―16×0.2=4x (66)9.25-X=0.403 (67)16.9÷X=0.3 (68)X÷0.5=2.6 (69)x+13=33 (70)3 - 5x=80 (71)1.8- 6x=54 (72)6.7x -60.3=6.7 (73)9 +4x =40 (74)0.2x-0.4+0.5=3.7 (75)9.4x-0.4x=16.2 (76)12 -4x=20 (77)1/3 x+5/6 x=1.4 (78)12 x+34 x=1 (79)18x-14 x= 12 (80)23 x-5×14 = 14 (81)12 +34 x=56 (82)22-14 x= 12 (83)23 x-14 x= 14 (84)x+14 x= 65 (85)23 x=14 x +14 (86)30 x-12 x -14 x=1
刚在网上搜的,其实这类题目有好多
 
 
展开全文阅读
剩余:2000
上一页:弧度制96页