递等式计算
(1)3.14×9.9+0.314
(2)4.05×101
(3)9.1÷0.125
(4)79 ×1.25
(5)3÷2.5÷0.4
(6)7÷125
(7)5.1×0.99
(8)2.5×7.83×0.4
(9)54÷(3.94+6.86)×0.8
(10)0.56×40.5+0.44×59.5 (11)6.27×1.5-6.27
(12)8.8×0.125
(13)6.3÷4.2
(14)999×99+199
(15)2.5×(6.4-5.6÷4)
(16)5.4÷(2.7×4)
(17)3.68-7.4+5.19
(18)3.18-7.5+6.34
(19)9.9×1.02
(20)6.7+19.34+3.3+0.66
(21) 7.5÷(2.5÷7)
(22)6.4×(125×0.125)
(23) 0.8×(1-0.24×0.5)
(24)4.8÷1.25
(25) 2.5×1.25×3.7×3.2
(26)30.1÷[(6.07+2.53)×0.7]
(27)2.54+6.02+6.46+3.98
(28) 4.5+3.2-3.2+4.5
(29)87.5-0.2×35.4
(30)8.75+(87.5-0.2)×35.4
(31)8.75+(87.5-0.2×35.4)
(32)(1-0.8)×(4-3.68)÷0.01
(33)(2.5-1÷0.8)×0.8-0.8
(34) 29.5-(9.5+0.86)
(35) (12.5+2.5+50)×8
(36)100-3.5×0.4÷0.2
(37)15.4÷0.5-1.2×0.5
(38) 4.8-7.5×8÷30
(39) 3.7×4.5+3.7×4.5+3.7
(40)(25.8-8.4÷0.4)×1.5
(41) 12.5×2.5×6.4×0.5
(42) 264÷[1.8―0.8×(1.5-0.9) ]
(43) (7.6+2.4×0.5)÷(0.064÷0.4)
(44) 20-1.2÷6÷0.5
(45)(8+0.8)×12.5
(46) (3.12+0.9)÷[(1-0.8)÷0.01]
(47)8.1÷(2.7×1.5)
(48) 9.09×67.67-9.09+9.09×33.33
(49)4.56-1.28+1.63
(50) 17.8×640-56×178-0.3×1780
(51)1.85+2.4+6.6+8.15
(52)2.5×1.25×6.4×0.2
(53)1.25×6.4×2.5
(54) 21.6÷[64.8-(48.6-2.7×2)]
(55)3.6×21+0.9×17-0.9
(56) (5.6+4.4÷0.2)×0.5
(57) 2.9×9.2+8.5×2.9+2.2×2.9
(58) 1800÷2.5
(59) [32-(7.25+0.75×8)]÷50
(60) 84.7÷0.4×2.5
(61) 4.2÷[2.6+(2.4-0.5×4)]
(62) 23×96+92
(63) 8.88×12.5
(64) 28×0.36+3.6×7.2
(65) 9.9×4.8+0.48
(66) 231÷(11÷4.5)
(67) 45×3.6+450×0.64
(68) (0.125×5.6)÷0.7
(69)2.5×(3.7+3.7+3.7+3.7)
(70) 6.5×8.93+6.5×0.07+6.5
(71) 72×3.6+720×0.64
(72)(8.5-0.9×3÷0.6)÷0.05
(73)3.9×2.8+3.9×8.2-3.9
(74)(1.2+4.5×20÷1.8)÷100
(75)5.6×44+2.8×10+2.8×2
(76) 0.99÷3.6×1.8÷3.3
(77) 5.26×0.4÷5.26×0.4
(78) 4.8×8.7+87×0.52
(79) 2.6×7.3+0.26×26+0.26
(80) (3.7×1.2+4.3×1.2)×1.25
(81) 17.75×1.5+5.25×1.5-23
(82) 9.5×8.4-9.5+9.5×2.7
(83) 90.2-(77.4-9.8)-12.6
(84) 16.5÷0.25÷0.4×2
(85) 0.32×12.5×0.125
(86) 0.5×40×1. 25×0.5×8
(87) (67×76+76×58)×8
(88)3.6÷1.25÷0.8×5
(89)8.5+8.2×19+1.3×19
(90)0.521÷1.25×8
(91)0.4×67+0.1×4-2.8×4
(92)0.99+1.1×1.9+1.1×7.2
(93) 0.65÷1.25
(94) 12.5×(4+0.8)×2.5
(95) 7.5+9.2×15+0.3×15
(96) [2.8+0.2×(4.1-2.6)]÷0.1
(97)37.5-7.5÷[(19.2-4.5×3.6)]
(98) 400.8+2.5×23-24÷0.16
(99) 3.7×2.8+3.7×2.8+3.7×4.4
(100) 1.01×0.99
(101) 6.5÷(1.3÷16)
(102) 2.5×12.5×0.4×0.08
(103) (0.24×4+0.24×4)×1.25
(104) 0.6×67+0.1×6-2.8×6
(105) 8.75×0.2×7×0.4
(106) 0.6×2.9+9×0.2+8.1-1.8
(107) 195.3-[(44×5.5+4.5)÷5]
(108) 4.2÷[(5.1-4.6)×0.8-0.3]
(109) 25.1-18.4+6.32÷0.8×0.7
(110) 0.35+0.35×3.7+5.3×0.35
(111) 15.6×13.1-15.6-15.6×2.1
(112) 81000 ÷ (27 × 78 +27× 22 )
(113) 0.8×12.7+7.1×0.2×4+1.6
(114) 210.5-81.4-6.32÷0.8×0.7
(115) 4.3×2.4+5.7×4.3+8.1×5.7
(116) (1.9-1.9×0.9)÷(8.3-8.2)
(117) 3.2×[ (15.2-4×3.6)÷0.16 ]
(118) (36.7-4.9)×1.2+1.6
(119) 7.83+65×7.83+7.83×34
(120) (18.5×3.6+3.6×2.5)÷0.18
(121) 0.6×12.7+7.1×0.2×3+1.2
(122) 13.4×2.7-0.3×9+7.6×2.7
(123) 0.35×[1÷(2.7-2.66)+0.65]
(124) 9.85-6.07+3.7
(125) 0.035+0.35×7.3+2.6×0.35
(126) [ 2.8-2.8×(2.8-2.8) ]÷5.6
(127) 3.001-0.25×0.4÷0.25×0.4
(128) 5.6×0.26+0.75×5.6-0.056
(129) (23.6×5.2+5.2×15.4)÷0.13
(130) [0.15+(3.74-1.8)÷0.4]×20
(131) (0.4×0.08)×2.5
(132) 8.08×0.25
(133) 0.36÷(4×3.6)
(134) 398-520÷26×15
(135)2.4×38+24×6.3-0.24×10
(136) [0.18+(5.8-3.8)÷0.4]×2
(137) 18.24-5.26-5.74
(138) 38.4÷0.16-6.8×35+7.8
(139) 1.5×2.4÷1.8-1.8
(140) (1-0.01×10)÷0.01
(141)2.4×38+24×6.3-0.24×10
(142)10-6.35-2.65
(143)12.45+78.98+7.55+0.02
(144)17.5÷(3.5÷9)
(145)2.5×(6.3-5.6÷4)
(146)3.6×21+0.9×17-0.9
(147)[(6.1-4.68)×0.8-1] ×0.4
(148)987×100.1
(149)(1.6+1.6+1.6+1.6)×2.5
(150)999×12.5÷333×0.8
(151)28.54+9.63+1.46+4.37
(152)9.32×(7-6.56)
(153)23×4.5-0.5×9+78×4.5
(154)9.3-3.2×1.5
(155)8400÷0.25÷0.4
(156)5.6×44+2.8×10+2.8
(157)10.2×2.4
(158) 58.8÷(0.6×0.7)÷0.02
(159)9.9×999+9.9
(16)4.5+3.2-3.2+4.5
(161)1.25×320×25
(162)8.64÷[64.8-(48.6-2.7×2)]
(163)2.5×0.5×1.6
(164)(20-0.2)×(9.5+5)
(165) 489×101-489
(166) 1.9×2.3+2.3×9.1-2.3
(167)0.96×25
(168) 28×45+37×13
(169)8×25×1.25×16
(170)[0.15+(3.74-1.8)÷0.4]×20
(171)33×1.03
(172)9.9+1.1×19+1.1×72
(173)3.5×4.9+35×0.3+0.35×21
(174)0.98×54
(175)0.25×27×4
(176)1.42-0.48÷8×0.6
(177)45×36+64×45
(178)6.4×8.9÷3.2
(179)0.8×73÷0.8×73
(180)1.08×125
(181)54÷(3.94+6.86)×0.8
(182)0.24×1.2×250
(183) 8.1×(9-0.9)
(184)5×6.4×2.5×1.25
(185) 5.6×91+56×9
(186) 10.4-10.4×0.28
(187)7.02×101
(188)99.9×4.1
(189)1.23÷0.3+0.25×4.36
(190) 87.5×2×7×4
(191) 9.8×1.03
(192) 1.6×37×625
(193) 0.3×(1×0.5÷1×0.5)
(194) (0.25+0.125)÷(0.75×0.4)
(195)3.4×2.8+8.2×3.4-3.4
(196)46÷2.5×0.4+9.6
(197)(5.1+5.1+5.1×2)×0.25
(198)300÷(3×2.5×5)
(199)23.404-1.43+0.05
(200)100-35.4+24.6
(201) 6×2.7+7.1×2×3+1.2
(202) 3.4÷0.25
(203)0.125×2.3×8
(204)3.7×4.7+6.3×3.7-3.7
(205) 140×8×1.25×0.7
(206) 5.2+4.8÷0.6×2-4
(207)12+56×3×4+6×43×2
(208)3.5×720+35×28
(209)85.29-(37.8+6.29)+7.8
(210) 444×6.01÷111
(211) 9.5-8.69+4.36
(212) 12.4+8.7-10.5
(213)40×6.7+4×43-40
(214) 5.656÷0.8+2.2×1.05
(215) 37.4×24+37.4 +37.4×75
(216) 1.25×0.25×3.2
(217) 0.02×(1.24×7.5-0.8÷16)
(218) 12.5×2.5×6.4
(219) 6.4×8.9÷3.2
(220) 2.5×2.8+2 5×0.71+0.25
(221) 0.32+0.68×3.5
(222) 7.2÷[0.36×(2.99+7.01)]
(223) 1.2×9.9+0.12
(224) 3.6×1.25+0.32÷0.4
(225)[1.3+(16.9-0.87÷0.3)]×8.5
(226)0.1÷1+1÷0.8-0.1
(227) 791×9+72+9
(228) [ 32÷(5.9-1.8×1.5)]÷0.01
(229)5.7×5.7+57×0.52-0.57×9
(230) 7.3×10.1-7.3×0.064-7.3×0.046
(231) 3.9×4.17+3.9×6.83-7.8÷2
(232) [83.224÷(101-20.2)+0.97]÷16
(233) 4×6×9.1-3×8×3.4+4.3×2×12
(234) 3.9×5.43+2.58×3.9-3.9×1.01
(235) 4.5×1.7+0.45×49+45×0.34
(236) (3.12+0.9)÷[(1-0.4)÷0.1]
(237) (12.5+12.5+12.5+12.5×2)×0.2
(238)(6.5+9.8÷2.8)×0.5-2.93
(239) 0.1×[(53.73-17.49)÷(0.36÷0.9)]
(240)[9.4+0.6×(8.3-4.3)]÷(0.2×0.2)
(241)(9-0.4)×[ (6.1-4.6)×0.8-1]÷2.5
(242)29.5×0.15-17.8×0.15-1.7×0.15
(243)[ (2.56-1.07)×5+101.5÷12.5 ]×0.9
(244)11.01+19.96÷49.9×0-4.99÷49.9
(245)[( 14.5+6.25 ) ÷2.5+0.5]×4.2
(246)6.7×0.52+5.2×0.32+0.01×5.2
(247)[37.2÷(13.5-3.5×1.2)]×0.183
(248) [5.7÷(0.09+0.1)+2.4]÷0.54
(249)[1.3+(16.9-0.87÷0.3)]×8.5
(250)(0.8+0.8+0.8+0.8)×0.25×1.25
解方程
(1)3x+10=8x+6
(2)3x+10=8x-6
(3)5x+10=3x+16
(4)5x+4×0.8=10
(5)5x-4×0.8=10
(6)8x-10=3x+16
(7)8x+1.5×2=5
(8)8x-1.5×2=5
(9)8(x+1.5)=20
(10)8(1.5-x)=4
(11)8(2x+1.5)=40
(12)10(x-5)÷2=18
(13)10(x-5)÷6=18
(14)8x÷2=28
(15)8x÷3=16
(16)6x÷3=18
(17)4x÷3=18
(18)5x÷2=1.5
(19)5x÷3=1.5
(20)3x+1.8×2=5.4
(21)3x+1.8=5x+0.2
(22)5x-9=3x+1
(23)3x+9=5x+1
(24)5x-9=3x-1
(25) 53x-9=55x-10
(26)2(x+1.5)=9
(27)2(x-1.5)=8
(28)2(x+3)=7
(29)2(2x+3)=7
(30)(x-3)÷3=7
(31)(2x-3)÷3=7
(32)5x-15-3x=5
(33)5x+15-3x=20
(34)5x+15-8=15
(35)5x-15+8=15
(36)4x+2=10.5-x
(37)5x-1.8=x+0.2
(38)1.6×1.4+0.3x=0.7x
(39)1.8×1.5-0.5x=0.4x
(40)3x+2x=6
(41)4x-2.5×4=12
(42) (x+1.5)÷2=9
(43)2(4.5-2x)=6
(44)3 ( 5x -4 )= 45
(45)3x+24=5x-12
(46)3.2x-9=23
(47)3(5x-4)=45
(48)3x+24=5x+12
(49)58-5x=43
(50) 27-x=2x+15
(51)5(2x+3)=20
(52)3(8+x)÷2=18
(53)1.5x+2x=2.8
(54)3(5x+5)=195
(55)144-x=2(54+x)
(56)1.5×2-8x=1
(57)58-5x = 43
(58)3.4x+1.28 =2.3
(59)3x+8=4x-7
(60)5(2x+ 3 )=20
(61)35-x=4( x+5)
(62)5.2+0.4x=7.8
(63)3.6x-5.2=7.4
(64)9x+6x = 4.5
(65)10x-4×5=0
(66)0.86×2-7.1x=0.3
(67)0.7x+6.8=15.2
(68)1.2×5-0.5x=3.5
(69)x-0.25x=0.375
(70)0.75x+0.6=0.36×5
(71)0.7(3.5-x)=1.4
(72)4.4x-5.6=10+2.4x
(73)3x+12x=18
(74)5x+25=2x+67
(75)7(2x-5)=42
(76)3(5x-4)=45
(77) 13x+24=25x-12
(78)0.96x-0.75x=0.42
(79)1.5×4+3.2x=14
(80)0.6(x-3)=9
(81)4.2+2x=5x
(82)15.2-0.4x=7.8
(83)8x÷2=23
(84)7(x+3.2)÷2=28
(85)3.6x-x-0.1x=0.75
(86)9x-4.8=3x
(87)0.9÷(2.06- x)=4.5
(88)(x-8.2+10.8)÷2 =1.8
(89)9x-8.8x-8=3.4
(90)6x +6.85×4=32.2
(91)3(10.3-x) ÷2=6.45
(92)2.4-x=0.4x×0.5
(93)1.8 - 2x = 1
(94)3(8+ x)÷2= 18
(95)3×1.8+3x=6
(96) 1.5x+2x=2.8+4.9
(97) (68-x)÷3×2=18
(98) 120-x÷2=0.8
(99) 3(67.4-x)=26.4
(100)12x=18×1.1+9x
(101)16×0.5+6x=10x
(102)2.2(x-0.6)=1.1
(103)30.5x+38.5=36x
(104)7x=14×1.5+4x
(105)3.2+6.5x=16.2
(106) 90(x-6.4)÷3=18
(107)7(x+3)÷2=56
(108)48.02-2.4x=9x-12.4 (109)5×1.05+0.3x=6
(110) 2.5(1.6x+3)=20
(111) 78-x÷0.3=8.1
(112)2.4x+1.2x=4.32
(113)28.8=78-2.4x
(114) 80÷0.5=0.4x-75.6
(115) x÷6.5-8=6.5+8
(116) x-7.5=86.9-x
(117) 18x-6.6=8.22+10.2x
(118) 48.6-2(23-3.6x)=9.8x
(119)5(x-1.5)=x+0.6
(120) 4(28-1.5x)=10
(121)8.2x-70=4.2x+20
(122) 2x+1.5×2=8(1-x)
(123)13(x+2)=5(x+7)
(124)(12x+6)÷5=18
(125)0.85×6=5x+3.2
(126)48-4x=2x-7.2
(127) 15x-0.5=2.8-18x
(128) 1.2x+0.2=28÷2
(129)444-x=2(54+x)
(130)75-6x=4(x+5)
(131)3(x+3)=6(x-11)
(132)24(5x+5)=195
(133) x÷2+3.915=15x
(134)20.46-2(x-2)=2.2(x+1)
(135)42.8-(0.2x+3.5)=1.8
(136) 15x-(2x+5)×3=4.8×7
(137) 4.8-2(x-2)=0.16
(138)5(2x+8)-5=6(2x-7)
(139)146-5(5x-2)=80
(140)x+19×2=7x-28
(141)55÷4x=275
(142)(x+2.5)×2=19.1
(143)5(x+9)=7(12-x) (144)6(x-4)=4(x+5)
(145) 1.5(3x+2.7)=18x
(146) 5.6-x=17.72-4x
(147) 48-2.4x=88.2-7.2x
(148) 15x-4x+x=61.2
(149)4x÷3=18
(150)3(8+x )÷2= 18
(151)3.5x+70=2.1x+81.2
(152)9(x -2.4)=50.4
(153)6x+0.4×8=9.8
(154)4.4x+0.4=5.2x
(155)5.2x-2.5x=5.4
(156)2(x+3)=7
(157)15x+25-10x=20
(158) 1.5x+5×1.2=2x
(159)4(2.5-2x)=8
(160)3.2+6.5x=16.2
(161)16x-10=6x+240
(162)5(24-x)=10x
(163)9x+7x-x=4.5
(164)3x+24.6=5x-12
(165)4+5(2x+3)=20
(166)4(x+1.5)=16
(167)6x+3-x=24.5
(168)16x÷2=2.4
(169)7(x+3)=28×2
(170)30x+90=50x-100
(171)1.5×4-16x=2
(172)8x+8-4.8=20
(173)48+3x=9x
(174)4÷(2x-1)=10
(175)5(x-3)÷2=20
(176)24-7x=4x+2
(177)15x+12×0.8=30
(178)10x-8×0.8=20
(179)8(1.5-x)=4
(180)4(4.5-2x)=12
(181)(4x-2)÷8=20
(182)8x÷2=56
(183)15x-27=9x+3
(184)8(x+1.5)=20
(185)25x-45=15x-5
(186)16x-1.5×4=10
(187)32x+1.5×8=20
(188)8(2x+1.5)=40
(189)48x-60=18x+30
(190)6x+20=8x+6
(191)9x+27=15x+3
(192)4x÷3=36
(193)(4x-3)÷3=7
(194)25x÷1.2=1.5
(195)2.5x÷3=1.5
(196)4(40-x)÷3=20
(197)6x÷3=18
(198)2.5x-12+8=20
(199)0.5(x-1.5)÷2=28
(200)0.1(x-5)÷6=18
(201)3×1.8+3x =6
(202)12-x÷2=8
(203)3.74-2.5x=0.24
(204)25+3x-22=8x
(205)64x+52(5-x)=296
(206)15x-15-10x=5
(207)18x-(2x+5)×3=5×4.8
(208)1.6x+12-8=15
(209)19x-5=14x+10
(210)9x+30=24x-18
(211)(x-3)÷3=27
(212)5.3x-11.4=27+14.6
(213)5(2x+3)=78.4
有话要说