解比例(方程)专项练习180题

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解比例专项练习183题

(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,

(141)12:20=:X,(142)=,(143):=x:9,(144)4:x=×5,(145):=:x,(146)0.5:x=:0.25,(147)=,(148):=:x,(149)15:x=0.2:44,

(150):=20:x,

(151)=,

(152)40:x=2.5:15,

(153)3:8=x:2.4,

(154):=x:15,

(155):x=6:,

(156)8.5:x=4:12

(157)0.1:0.5=

(158):x=:

(159)1.2:3=:x.

(160)=,

(161)8:30=24:x,

(162):=x :,

(163)x :=16:.

(164)15:6=10:x,

(165):X=:2,(166)=0.8:1.2,(167)=,(168)x:3.25=:,(169):=x :,(170)45:54=60:x,(171)3:2.5=x:40,(172):=x :,

(173)=,

(174)6.5:x=3.25:4,

(175):=x:9,

(176)8:30=24:X,

(177):=X :,

(178)=,

(179)6.5:x=3.25:4,

(180)75:x=25:15,

(181)24%x+8%x=16,

(182)1.8:x=:,

(183)=,

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