(1) 8x÷2=23
(2) 7（x+3.2）÷2=28
(3) 3.6x-x-0.1x=0.75
(4) 9x-4.8=3x
(5) 0.9÷（2.06- x）=4.5
(6) (x－8.2＋10.8)÷2 =18
(7) 9.9×1.02
(8) [5.7÷（0.09＋0.1）＋2.4]÷0.54
(9) 6.4×（125×0.125）
(10) （18.5×3.6+3.6×2.5）÷0.18
(11) 0.15×9.3-7.2×0.15+2.1×0.85
(12) 1.25×（4―0.8）×2.5
(13) 4.02 ×[(1-0.45) ÷0.1]+4.5
(14) 28.46-4.7-15.3+1.64
(15) (5.81－2.09)×3.5
(16) 3 x+6=15.3
(17) 4(3.2－x)÷2 =6.8
(18) 5（2χ+2）- 2=68
(19) 1.5+2 X=5 X
(20) (7+2.3－x) ÷2=3.1
(21) 2(χ- 6)+ 7-3=2
(22) 0.96χ－0.75χ＝0.42
(23) 0.6（χ－3）＝9
(24) 1.5×4＋3.2χ＝14
(25) 7（x+3）=28×2
(26) 4.2＋6.5χ＝17.2
(27) 0.9（χ－0.6）÷3＝1.8
(28) 2.8(χ＋3)÷2＝5.6
(29) 0.48＋0.3χ＝0.5χ
(30) 3 x+6=15.3
(31) 4(3.2－x)÷2 =6.8
(32) （2χ+2）- 2=68
(33) 101 ×0.77
(34) 0.364×98＋0.364×3－0.364
(35) 2.5×6.4×1.25
(36) 1.5+2 X=5 X
(37) (7+2.3－x) ÷2=9.3÷3
(38) 2(χ- 6)+ 7-3=2
(39) (20.956÷4.03+8)×0.5
(40) 6.06×87+12×6.06+6.06
(41) 12.5×（1.9+1.3）
(42) 36.2×4.2-9.18÷4.5
(43) 1.25×8÷0.25×4
(44) 0.13＋0.87×0.32
(45) 7.14＋3.95＋2.86－1.95
(46) 2.5×6.4×1.25
(47) （1－0.2）×（4－3.68）÷0.01
(48) 8÷[（40.75－9.5）×0.4]－0.36
(49) 8x÷2 =32
(50) 54+7x =13 x
(51) 5(x+3)÷2 = 30
(52) 36x+44×3 = 240
(53) 5.8-5X=4.5
(54) 6(x－0.3)÷5=14.4
(55) 0.2X+0.86×2=0.1X
(56) 12.5×0.64×0.25
(57) （0.25+0.25+0.25×4）×4
(58) 9.9×3.5＋3.5－0.9×3.5
(59) 9.9×101－9.9
(60) [(1-0.05)÷1.9+0.6]×3.8
(61) 81.3-35×1.7+13.5÷5
(62) 0.13＋0.87×0.32
(63) 7.14＋3.95＋2.86－1.95
(64) 8÷[（40.75－9.5）×0.4]－0.36
(65) 4(x-1.05)=3
(66) 7x+8=36
(67) 5（2x+3）÷6=9.5
(68) 12x÷4=36
(69) 3（x+20）÷6=30
(70) 28x+55×2=166
(71) 9x-8×1.2=2.1
(72) 8x-5.5x=20
(73) 102+5x=10x
(74) 4x+1.5x=550
(75) 6x+6.85×4=32.2
(76) 3（10.3-x）÷2=6.45
(77) 2x-2.4=7.6
(78) 4（x+0.8）÷2=6×0.8
(79) 7（x-2）=3.5x
(80) 3x-(x+2.7)=5.7
(81) 12x+15=15x
(82) 5(3.7x-3.4x)=4.5
(83) 2.2x-34.34÷1.7=1.8
(84) （1.25-0.125）×8
(85) 2÷0.25-0.25÷2+0.25
(86) 0.648÷【（0.4+0.5）×0.6】
(87) 3×15-2x=8x
(88) 4(x+0.8)=5.2
(89) 3.5x÷5=4.9
(90) 2x-1.6x=24
(91) 6x+9=2.4×5
(92) 2.2x-x=4.2÷2
(93) 0.5（x-2.4）=1.5
(94) (7x+3)÷4=13
(95) 2（x-1.8）=5x-10.8
(96) 2.15＋8.73＋1.27+7.85
(97) 11.87－（8.2+1.87）
(98) 5.42-3.87-1.13
(99) 4.38-1.56+0.62-0.44
(100) 0.4×270×2.5
(101) （40+1.25）×8
(102) （12.5-0.05）×8
(103) 2.6×8.5+8.5×7.4
(104) 9.9×6.9-6.9×3.9
(105) 5.6×99+5.6
(106) 2.5×（1.9+1.9+1.9+1.9）
(107) 7.2÷1.25÷8
(108) 400÷4+20×5
(109) 0.25×3.2×4
(110) 37.8-16.4-13.6
(111) 1.8+0.2-1.8+0.2
(112) 2.5×7.5+2.5×2.5
(113) 4.87×2.34+48.7×0.266
(114) 4.4×25
(115) 15.6×13.1-15.6-15.6×2.1
(116) 4.8×100.1
(117) 56.5×9.9+5.65
(118) 320÷1.25÷8
(119) 4（3.2-x）=6.8
(120) (7+2.3-×)÷2=3.1
(121) 9X+5X=8.4
(122) 3X-9÷0.45=13.6
(123) 6.8+3.2X=14.8
(124) 26.74-X=1.9
(125) 3.8X3.6-1.6X3.8
(126) 20.4÷【8×（5.2-3.5）】
(127) 40.5÷0.5+12.75
(128) 37.5-37.5÷1.5×0.7
(129) 1.25×32×0.25
(130) (3x+8-x)÷2=18
(131) 1.5x+2x=2.8
(132) 60-3x=24
(133) 1.8(7+3x)=18
(134) 0.4(15-3x)+8=9.8
(135) 4x+17-2x=19.4
(136) 4.8x-x-0.8x=0.98
(137) 5×4.5+6x=90
(138) 8x-7.5=6x
(139) 0.8(1.4x-5.4)=2.4
(140) 7x-15-2x=18
(141) 6.8x-8.1=x+3.5
(142) 25+3x-22=8x
(143) 4(x-4.8)÷0.1=0.8
(144) 2（x+5）=6x
(145) 5（x-3）=2（x+6）
(146) 4.5x÷0.5=18
(147) 2（56-2x）=36
(148) 5(x-8)=4.5
(149) 8-2x÷0.5=2
(150) 8x-8-3x=4.8
(151) 0.8x-9=0.5x
(152) 6(3x+x-12)÷3=12
(153) 12×5-4x=2.5×4
(154) 3.5x÷7=1
(155) 8x=5x+18
(156) 8（1.5x+x）=10
(157) 2.5x+45-x=60
(158) 3x=5（x-4）
(159) 8.4x=4（x+2.2）
(160) 2（x+x+0.8）÷3=1.2
