五下递等式计算.docx
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五下递等式计算
五下递等式计算
递等式计算
3.14×9.9+0.314
4.05×101
9.1÷0.125
79×1.25
3÷2.5÷0.4
7÷125
5.1×0.99
2.5×7.83×0.4
54÷(3.94+6.86)×0.8(10)0.56×40.5+0.44×59.5
6.27×1.5-6.27
8.8×0.125
6.3÷4.2
999×99+199
2.5×(6.4-5.6÷4)(16)5.4÷(2.7×4)
3.68-7.4+5.19
3.18-7.5+6.34(19)9.9×1.02
6.7+19.34+3.3+0.66
7.5÷(2.5÷7)
6.4×(125×0.125)
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(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
8.88×12.5
28×0.36+3.6×7.2
8.75+(87.5-0.2)×35.4
8.75+(87.5-0.2×35.4)
(1-0.8)×(4-3.68)÷0.01(33)(2.5-1÷0.8)×0.8-0.8
29.5-(9.5+0.86)
(12.5+2.5+50)×8
100-3.5×0.4÷0.2
15.4÷0.5-1.2×0.5
4.8-7.5×8÷30
3.7×4.5+3.7×4.5+3.7
(25.8-8.4÷0.4)×1.5
12.5×2.5×6.4×0.5
264÷[1.8―0.8×(1.5-0.9)](43)(7.6+2.4×0.5)÷(0.064÷0.4)
20-1.2÷6÷0.5
(8+0.8)×12.5
(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
1.25×6.4×2.5
21.6÷[64.8-(48.6-2.7×2)](55)3.6×21+0.9×17-0.9
(5.6+4.4÷0.2)×0.5
2.9×9.2+8.5×2.9+2.2×2.9(58)1800÷2.5
9.9×4.8+0.48
231÷(11÷4.5)
45×3.6+450×0.64
(0.125×5.6)÷0.7
2.5×(3.7+3.7+3.7+3.7)(70)6.5×8.93+6.5×0.07+6.5
72×3.6+720×0.64
(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
5.26×0.4÷5.26×0.4
4.8×8.7+87×0.52
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
0.32×12.5×0.125
0.5×40×1.25×0.5×8
(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
0.4×67+0.1×4-2.8×4
0.99+1.1×1.9+1.1×7.2
0.65÷1.25
12.5×(4+0.8)×2.5
7.5+9.2×15+0.3×15
[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
6.5÷(1.3÷16)
2.5×12.5×0.4×0.08
(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
3.001-0.25×0.4÷0.25×0.4
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
8.08×0.25
0.36÷(4×3.6)
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
2.4×38+24×6.3-0.24×10
10-6.35-2.65
12.45+78.98+7.55+0.02
17.5÷(3.5÷9)
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
987×100.1
(1.6+1.6+1.6+1.6)×2.5(150)999×12.5÷333×0.8
28.54+9.63+1.46+4.37
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)]
2.5×0.5×1.6
(20-0.2)×(9.5+5)(165)489×101-489
1.9×2.3+2.3×9.1-2.3
0.96×25
28×45+37×13
8×25×1.25×16
[0.15+(3.74-1.8)÷0.4]×20
33×1.03
9.9+1.1×19+1.1×72
3.5×4.9+35×0.3+0.35×21
0.98×54
0.25×27×4
1.42-0.48÷8×0.6
45×36+64×45
6.4×8.9÷3.2
0.8×73÷0.8×73
1.08×125
54÷(3.94+6.86)×0.8
0.24×1.2×250
8.1×(9-0.9)
5×6.4×2.5×1.25
5.6×91+56×9
10.4-10.4×0.28
7.02×101
99.9×4.1
1.23÷0.3+0.25×4.36
87.5×2×7×4
9.8×1.03
1.6×37×625
0.3×(1×0.5÷1×0.5)
(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
(5.1+5.1+5.1×2)×0.25
300÷(3×2.5×5)
23.404-1.43+0.05
100-35.4+24.6
6×2.7+7.1×2×3+1.2
3.4÷0.25
0.125×2.3×8
(204)3.7×4.7+6.3×3.7-3.7
140×8×1.25×0.7
5.2+4.8÷0.6×2-4
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
9.5-8.69+4.36
12.4+8.7-10.5
40×6.7+4×43-40
5.656÷0.8+2.2×1.05
37.4×24+37.4+37.4×75
1.25×0.25×3.2
0.02×(1.24×7.5-0.8÷16)(218)12.5×2.5×6.4
6.4×8.9÷3.2
2.5×2.8+25×0.71+0.25
0.32+0.68×3.5
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
7.3×10.1-7.3×0.064-7.3×0.046
3.9×4.17+3.9×6.83-7.8÷2
[83.224÷(101-20.2)+0.97]÷16
4×6×9.1-3×8×3.4+4.3×2×12
3.9×5.43+2.58×3.9-3.9×1.01
4.5×1.7+0.45×49+45×0.34
(3.12+0.9)÷[(1-0.4)÷0.1]
(12.5+12.5+12.5+12.5×2)×0.2
(6.5+9.8÷2.8)×0.5-2.93
0.1×[(53.73-17.49)÷(0.36÷0.9)]
[9.4+0.6×(8.3-4.3)]÷(0.2×0.2)
(9-0.4)×[(6.1-4.6)×0.8-1]÷2.5
29.5×0.15-17.8×0.15-1.7×0.15
[(2.56-1.07)×5+101.5÷12.5]×0.9
11.01+19.96÷49.9×0-4.99÷49.9
[(14.5+6.25)÷2.5+0.5]×4.2
6.7×0.52+5.2×0.32+0.01×5.2
[37.2÷(13.5-3.5×1.2)]×0.183
[5.7÷(0.09+0.1)+2.4]÷0.54
[1.3+(16.9-0.87÷0.3)]×8.5
0.8+0.8+0.8+0.8)×0.25×1.25
(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
8x÷2=28
8x÷3=16
6x÷3=18
4x÷3=18
5x÷2=1.5
5x÷3=1.5
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
解方程
2(2x+3)=7
(x-3)÷3=7
(2x-3)÷3=7(32)5x-15-3x=5
(33)5x+15-3x=20(34)5x+15-8=15
5x-15+8=15
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
4x-2.5×4=12
(x+1.5)÷2=9
2(4.5-2x)=6
3(5x-4)=45(45)3x+24=5x-12
3.2x-9=23
3(5x-4)=45
3x+24=5x+12
58-5x=43
27-x=2x+15
5(2x+3)=20
3(8+x)÷2=18
1.5x+2x=2.8
3(5x+5)=195
144-x=2(54+x)
1.5×2-8x=1
58-5x=43
3.4x+1.28=2.3
3x+8=4x-7
5(2x+3)=20(61)35-x=4(x+5)
5.2+0.4x=7.8
3.6x-5.2=7.4
9x+6x=4.5
10x-4×5=0
0.86×2-7.1x=0.3
0.7x+6.8=15.2
1.2×5-0.5x=3.5
x-0.25x=0.375
0.75x+0.6=0.36×5
0.7(3.5-x)=1.4
4.4x-5.6=10+2.4x
3x+12x=18
5x+25=2x+67
7(2x-5)=42
3(5x-4)=45
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
15.2-0.4x=7.8
8x÷2=23
7(x+3.2)÷2=28
3.6x-x-0.1x=0.75
9x-4.8=3x
0.9÷(2.06-x)=4.5(88)(x-8.2+10.8)÷2=1.8(89)9x-8.8x-8=3.4
6x+6.85×4=32.2
3(10.3-x)÷2=6.45
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
28.8=78-2.4x
80÷0.5=0.4x-75.6
x÷6.5-8=6.5+8
x-7.5=86.9-x
18x-6.6=8.22+10.2x
48.6-2(23-3.6x)=9.8x
5(x-1.5)=x+0.6
4(28-1.5x)=10
8.2x-70=4.2x+20
2x+1.5×2=8(1-x)
13(x+2)=5(x+7)
(12x+6)÷5=18
0.85×6=5x+3.2
48-4x=2x-7.2
15x-0.5=2.8-18x
1.2x+0.2=28÷2
444-x=2(54+x)
75-6x=4(x+5)
3(x+3)=6(x-11)
24(5x+5)=195
x÷2+3.915=15x
20.46-2(x-2)=2.2(x+1)
42.8-(0.2x+3.5)=1.8
15x-(2x+5)×3=4.8×7
4.8-2(x-2)=0.16
5(2x+8)-5=6(2x-7)
146-5(5x-2)=80
x+19×2=7x-28
55÷4x=275
(x+2.5)×2=19.1
5(x+9)=7(12-x)
6(x-4)=4(x+5)
1.5(3x+2.7)=18x
5.6-x=17.72-4x
48-2.4x=88.2-7.2x
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
2.5x÷3=1.5
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