解比例(方程)专项练习180题

解比例(方程)专项练习180题
解比例(方程)专项练习180题

解比例专项练习183题(有答案)

(1)x:8=:,(2):=:X,(3)16:x=0.75:,(4)(x﹣0.4):8=,(5)1.6:x=0.125:0.5 (6):=:x,(7)x:1.2=3:4,(8)12:3=:x,

(9)=5:3,

(10)0.8:4=x:8,

(11)16:x=2.4:3,

(12):x=:,

(13)=,

(14)x:7.5=0.16:1,

(15)(4.5﹣x):0.6=(10+x):2,

(16),

(17),

(18)=,

(19)X:18.5=5:4,

(20)8:X=:,

(21)0.5:0.25=0.2:X,

(22)x:12=:2.8,(23):=x :,(24)=,

(25)9:5﹦4.5:x,(26):x ﹦:,(27)﹦,(28):﹦x:8,(29)x :﹦51:17,(30)﹦:,

(31)6:x=4:7,

(32)30:x=54:36,

(33)2.5:15=:x,

(34)=,

(35):=:x,

(36)x:17=,

(37)=,

(38)1.3:x=5.2:20,

(39)x:36=6:18,

(40),

(41):=x:9

(42):x=:

(43)x:42=:10,

(44)=,

(45):x=:6,

(46)=,(47):x=:,(48)20:x=:(49)x:0.4=0.6:0.3,(50)=,(51)8:9=4:x,(52)3:4=x:1.2,(53)=,(54)=,

(55)x :=:,

(56),

(57)=x :.

(58)6:x=4.5:1,

(59)3:x=:1,

(60)0.72:x=9.6:4.8,

(61)12:=x:0.5,

(62):=,

(63)x :=28:,

(64)x:6.4=12:8,

(65):x=:3,

(66)=,

(67),

(68),

(69)=8:x,

(71)4:1=x :,(72):3=x:0.7,(73)x:1.8=5:14,(74)=,

(74)75:x=2.5:12,(75)0.75:=x :,(76)25:7=x:35 (78)23:x=12:14 (79)x:15=13:56 (80)34:x=54:2 (81)x:0.75=81.25 (82)x :=:4,(83)=,(84):=X:9,

(86)=,(87)3.6:x=1.8:3,(88),(89),(90)8:13=20:x,(91)x:2.5=4:0.5,(92),

(94)x :36=3:54,

(95)0.6:0.8=x :20,

(96):x=:12, (97)=,

(98)0.7:18=21:x

(98)= (99)1.5:2.5=12:x

(101)

=

(102)

=

(103):=:x , (104)(6+x ):4=9:5

(105)=, (106)=, (107)4:16=9:x ,

(109)

=,

(110)0.5:x=:

(111)=

(112)=:

(113):=:x

(115)X :=1.25:3,

(116),

(117)8:x=1.8:3.6,(118):=6:x,(119)6:=x :,(120),(121)2:5=X:6 (122):=X :(123)=

(124):=:X (125):X=3:12

(126)0.4:0.8=

(127):=x :,

(128):x=3:12,

(129)=,

(130)2.7:x=54:18,

(131):=x :,

(132)=,

(133)3:x=9:15,

(134)=,

(135):=:x,

(136)=x :,

(137)0.1:0.5=,

(138)1.25:0.25=x:1.6,

(139)=0.8:,

(140)0.75:X=0.51:3.4,

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