五下递等式计算

1、叮叮小文库递等式计算(1) 3.14 X 9.9+0.314(30)8.75+ ( 87.5 0.2 ) X 35.4(2) 4.05 X 101(31)8.75+ ( 87.5 0.2 X 35.4 )(3) 9.1 - 0.125(32) (1-0.8 )X( 4-3.68 )- 0.01(4) 79 X 1.25(33) (2.5-1 - 0.8 )X 0.8-0.8(5) 3- 2.5 - 0.4(34) 29.5(9.5 + 0.86)(6) 7- 125(35) (12.5+ 2.5 + 50) X 8(7) 5.1 X 0.99(36)100 -3.5 X 0.4 - 0.2(8

2、) 2.5 X 7.83 X 0.4(37)15.4-0.5 1.2 X 0.5(9) 54-( 3.94+6.86 )X 0.8(38) 4.87.5 X 8 -30(10 ) 0.56 X 40.5+0.44 X59.5(39) 3.7X 4.5 + 3.7 X 4.5+3.7(11) 6.27 X 1.5-6.27(40) (25.8 8.4 - 0.4 )X 1.5(12) 8.8 X 0.125(41) 12.5X 2.5 X 6.4 X 0.5(13) 6.3 - 4.2(42) 264-1.8 0.8 X (1.5 0.9)(14) 999 X 99+ 199(43) (7.6+

3、 2.4 X 0.5) - (0.064 - 0.4)(15) 2.5 X( 6.4 5.6 - 4)(44) 20 -1.2 - 6-0.5(16)5.4 -( 2.7 X 4)(45)(8 + 0.8) X 12.5(17)3.68 7.4 + 5.19(46) (3.12+ 0.9) - (1 0.8) - 0.01(18)3.18 7.5 + 6.34(47)8.1 -(2.7 X 1.5)(19)9.9 X 1.02(48) 9.09X 67.67 9.09 + 9.09 X 33.33(20)6.7 + 19.34 + 3.3 + 0.66(49)4.561.28 + 1.63(2

4、1) 7.5 -(2.5 - 7)(50) 17.8X 640 56X 178 0.3 X 1780(22)6.4 X( 125X 0.125)(51)1.85+ 2.4 + 6.6 + 8.15(23) 0.8 X( 1 0.24 X 0.5 )(52)2.5 X 1.25 X 6.4 X 0.2(24)4.8 - 1.25(53)1.25X 6.4 X 2.5(25) 2.5 X 1.25 X 3.7 X 3.2(54) 21.6-64.8 (48.6 2.7 X 2)(26)30.1 - (6.07+2.53 )X 0.7(55)3.6 X 21 + 0.9 X 17 0.9(27)2.

5、54+6.02+6.46+3.98(56) (5.6+ 4.4 - 0.2) X 0.5(28) 4.5 + 3.2 3.2 + 4.5(57) 2.9X 9.2 + 8.5 X 2.9 + 2.2 X 2.9(29)87.5 0.2 X 35.4(58) 1800-2.5(59) 32-( 7.25+0.75 X 8)-50(65) 9.9X 4.8+0.48(60) 84.7 - 0.4 X 2.5(66) 231-(11 - 4.5)(61) 4.2 - 2.6 +(2.4 0.5 X 4)(67) 45 X 3.6 + 450X 0.64(62) 23 X 96 + 92(68) (0

6、.125 X 5.6) - 0.7(63) 8.88 X 12.5(69)2.5 X( 3.7 + 3.7 + 3.7 + 3.7 )(64) 28 X 0.36 + 3.6 X 7.2(70) 6.5X 8.93 + 6.5 X 0.07 + 6.5(71) 72 X 3.6 + 720X 0.64(72) (8.5 0.9 X 3-0.6) - 0.05(73) 3.9 X 2.8 + 3.9 X 8.2 3.9(74) (1.2 + 4.5 X 20- 1.8 ) - 100(75) 5.6 X 44 + 2.8 X 10+ 2.8 X 2(76) 0.99 - 3.6 X 1.8 -

7、3.3(77) 5.26 X 0.4 - 5.26 X 0.4(78) 4.8 X 8.7 + 87X 0.52(79) 2.6 X 7.3 + 0.26 X 26+ 0.26(80) (3.7 X 1.2+4.3 X 1.2) X 1.25(81) 17.75 X 1.5 + 5.25 X 1.5 23(82) 9.5 X 8.4 9.5 + 9.5 X 2.7(83) 90.2 (77.4 9.8) 12.6(84) 16.5 - 0.25 - 0.4 X 2(85) 0.32 X 12.5 X 0.125(86) 0.5 X 40X 1.25 X 0.5 X 8(87) (67X 76+

8、 76X 58)X 8(88) 3.6 - 1.25 - 0.8 X 5(89) 8.5 + 8.2 X 19+ 1.3 X 19(90) 0.521 - 1.25 X 8(91) 0.4 X 67 + 0.1 X 4 2.8 X 4(92) 0.99 + 1.1 X 1.9 + 1.1 X 7.2(93) 0.65 - 1.25(94) 12.5 X (4 + 0.8) X 2.5(95) 7.5 + 9.2 X 15+ 0.3 X 15(96) 2.8+ 0.2 X( 4.1 2.6 ) - 0.1(97) 37.5 7.5 - (19.2 4.5 X 3.6)(98) 400.8 + 2

9、.5 X 23 24- 0.16(99) 3.7 X 2.8 + 3.7 X 2.8 + 3.7 X 4.4(100) 1.01 X 0.99(101) 6.5 - (1.3 - 16)(102) 2.5 X 12.5 X 0.4 X 0.08(103) (0.24 X 4+0.24 X 4) X 1.25(104) 0.6 X 67+ 0.1 X 6 2.8 X 6(105) 8.75 X 0.2 X 7X 0.4(106) 0.6 X 2.9 + 9X 0.2 + 8.1 1.8(107) 195.3 (44 X 5.5 + 4.5) - 5(108) 4.2 - (5.1 4.6) X

10、0.8 0.3(109) 25.1 18.4 + 6.32 - 0.8 X 0.7(110) 0.35 + 0.35 X 3.7 + 5.3 X 0.35(111) 15.6 X 13.1 15.6 15.6 X 2.1(112) 81000- (27 X 78 +27 X 22 )(113) 0.8 X 12.7 + 7.1 X 0.2 X 4+ 1.6(114) 210.5 81.4-6.32 - 0.8 X 0.7(115) 4.3 X 2.4 + 5.7 X 4.3+8.1 X 5.7(116) (1.9 1.9 X 0.9) - (8.3 8.2)(117) 3.2 X (15.2-

11、4 X 3.6) - 0.16 (118) (36.7 4.9) X 1.2 + 1.6(119) 7.83 + 65X 7.83 + 7.83 X 34(120) (18.5 X 3.6+3.6 X 2.5 ) - 0.18(121) 0.6 X 12.7 + 7.1 X 0.2 X 3+ 1.2(122) 13.4 X 2.7 0.3 X 9+ 7.6 X 2.7(123) 0.35 X 1 十(2.7-2.66 ) +0.65(124) 9.85 6.07 + 3.7(125) 0.035 + 0.35 X 7.3 + 2.6 X 0.35(126) 2.8-2.8 X (2.8-2.8

12、) - 5.6(127) 3.001-0.25 X 0.4 - 0.25 X 0.4(128) 5.6 X 0.26 + 0.75 X 5.6-0.056(129) (23.6 X 5.2+5.2 X 15.4)- 0.13(130) 0.15+(3.74-1.8 )- 0.4 X 20(131) (0.4 X 0.08) X 2.5(132) 8.08 X 0.25(133) 0.36 - (4 X 3.6)(134) 398 520 - 26 X 15(135) 2.4 X 38 + 24X 6.3 0.24 X 10(136) 0.18+ (5.8 3.8) - 0.4 X 2(137)

13、 18.24 5.26 5.74(138) 38.4 - 0.16 6.8 X 35+ 7.8(139) 1.5 X 2.4 - 1.8 1.8(140) (1 0.01 X 10)十 0.01(141) 2.4 X 38+ 24X 6.3-0.24 X 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 X( 6.3-5.6 - 4)(146) 3.6 X 21 + 0.9 X 17-0.9(147) (6.1-4.68 ) X 0.8-1 X 0.4(148) 987 X 100.1(

14、149) (1.6+1.6+1.6+1.6 )X 2.5(150) 999 X 12.5 - 333X 0.8(151) 28.54+9.63+1.46+4.37(152) 9.32 X (7-6.56)(153) 23 X 4.5 0.5 X 9+ 78 X 4.5(154) 9.3 3.2 X 1.5(155) 8400 - 0.25 - 0.4(156) 5.6 X 44+ 2.8 X 10+ 2.8(157) 10.2 X 2.4(158) 58.8 -(0.6 X 0.7)- 0.02(159) 9.9 X 999+ 9.9(16)4.5 + 3.2 3.2 + 4.5(161) 1

15、.25 X 320 X 25(162) 8.64 - 64.8- (48.6-2.7 X 2)(163) 2.5 X 0.5 X 1.6(164) (20-0.2 )X( 9.5+5)(165) 489 X 101 489(166) 1.9 X 2.3+2.3 X 9.1-2.3(167) 0.96 X 25(168) 28 X 45+ 37 X 13(169) 8 X 25X 1.25 X 16(170) 0.15+(3.74-1.8)- 0.4 X 20(171) 33 X 1.03(172) 9.9+1.1 X 19+ 1.1 X 72(173) 3.5 X 4.9+35 X 0.3+0

16、.35 X 21(174) 0.98 X 54(175) 0.25 X 27X 4(176) 1.42-0.48- 8X 0.6(177) 45 X 36 + 64 X 45(178) 6.4 X 8.9 - 3.2(179) 0.8 X 73- 0.8 X 73(180) 1.08 X 125(181) 54 - (3.94 + 6.86) X 0.8(182) 0.24 X 1.2 X 250(183) 8.1 X( 9 0.9(184) 5X 6.4 X 2.5 X 1.25(185) 5.6 X 91 + 56X 9(186) 10.4-10.4 X 0.28(187) 7.02 X

17、101(188) 99.9 X 4.1(189) 1.23 -0.3 + 0.25 X4.36(190) 87. 5X2X 7X4(191) 9.8 X 1.03(192) 1.6 X 37X 625(193) 0.3 X (1 X 0.5 - 1X 0.5)(194) (0.25+0.125 )-( 0.75 X 0.4)(195) 3.4 X 2.8 + 8.2 X 3.4 3.4(196) 46 - 2.5 X 0.4 + 9.6(197) (5.1+5.1+5.1X 2) X 0.25(198) 300 - (3 X 2.5 X 5)(199) 23.404-1.43+0.05(200

18、) 100-35.4+24.6(201) 6 X 2.7+7.1 X 2X 3+1.2(202) 3.4 - 0.25(203) 0.125 X 2.3 X 8(204) 3.7 X 4.7+6.3 X 3.7-3.7(205) 140 X 8X 1.25 X 0.7(206) 5.2+4.8- 0.6 X 2-4(207) 12 + 56X 3X 4+ 6X 43X 2(208 ) 3.5X 720+ 35X 28(209) 85.29 (37.8 + 6.29 )+ 7.8(210) 444 X 6.01 - 111(211) 9.5-8.69+4.36(212) 12.4+8.7-10.

19、5(213) 40 X 6.7+4 X 43-40(214) 5.656 - 0.8+2.2 X 1.05(215) 37.4 X 24+37.4 +37.4 X 75(216) 1.25 X 0.25 X 3.2(217) 0.02 X( 1.24 X 7.5 0.8 - 16)(218) 12.5 X 2.5 X 6.4(219) 6.4 X 8.9 - 3.2(220) 2.5 X 2.8+2 5 X 0.71+0.25(221) 0.32+0.68 X 3.5(222) 7.2 - 0.36 X( 2.99 + 7.01 )(223) 1.2 X 9.9+0.12(224) 3.6 X

20、 1.25+0.32 - 0.4(225) 1.3 + (16.9-0.87 - 0.3) X 8.5(226) 0.1 - 1+1 十 0.8 0.1(227) 791X 9+ 72 + 9(228) 32-(5.9 1.8 X 1.5) - 0.01(229) 5.7 X 5.7 + 57X 0.52 0.57 X9(230) 7.3 X 10.1 7.3 X 0.064 7.3 X 0.046(231) 3.9 X 4.17+3.9 X 6.83 7.8 十 2(232) 83.224- (101 20.2) + 0.97 - 16(233) 4X 6X 9.1 3X 8X 3.4 +

21、4.3 X 2X 12(234) 3.9 X 5.43 + 2.58 X 3.9 3.9 X 1.01(235) 4.5 X 1.7 + 0.45 X 49+ 45X 0.3 4(236) (3.12+ 0.9) - (1 0.4) - 0.1 (237) (12.5+12.5+12.5+12.5 X 2)X 0.2(238) (6.5 + 9.8 - 2.8 )X 0.5 2.93(239) 0.1 X (53.73-17.49 )-( 0.36 - 0.9 )(240) 9.4+0.6 X (8.3-4.3)-(0.2 X 0.2 )(241) (9-0.4)X (6.1-4.6) X 0

22、.8-1 - 2.5(242) 29.5 X 0.15 17.8 X 0.15 1.7 X 0.15(243) (2.56-1.07)X 5+101.5 - 12.5 X 0.9(244) 11.01+19.96 - 49.9 X 0-4.99 - 49.9(245) ( 14.5+6.25 )- 2.5 + 0.5 X 4.2(246) 6.7 X 0.52 + 5.2 X 0.32 + 0.01 X 5.2(247) 37.2 -( 13.5 3.5 X 1.2 ) X 0.183(248) 5.7 十(0.09 + 0.1 )+ 2.4 - 0.54(249) 1.3 +(16.9 0.

23、87 - 0.3 ) X 8.5(250) 0.8 + 0.8 + 0.8 + 0.8 )X 0.25 X 1.25解方程(1)3x + 10=8x+ 6(30) (x 3)十 3=7(2)3x + 10=8x 6(31) (2x 3)十 3=7(3)5x + 10=3x+ 16(32)5x 15 3x=5(4)5x + 4X 0.8=10(33)5x + 15 3x=20(5)5x 4X 0.8=10(34)5x + 15 8=15(6)8x 10=3x+ 16(35)5x 15+ 8=15(7)8x + 1.5 X 2=5(36)4x + 2=10.5 x(8)8x 1.5 X 2=5(3

24、7)5x 1.8=x + 0.2(9)8 (x + 1.5 ) =20(38)1.6 X 1.4 + 0.3x = 0.7x(10)8 (1.5 x) =4(39)1.8 X 1.5 0.5x = 0.4x(11)8 (2x+ 1.5 ) =40(40)3x + 2x=6(12)10 (x 5)十 2=18(41)4x 2.5 X 4=12(13)10 (x 5)十 6=18(42) (x + 1.5) - 2=9(14)8x - 2=28(43)2(4.5 2x)=6(15)8x - 3=16(44)3 ( 5x 4 )= 45(16)6x - 3=18(45)3x+24=5x 12(17)

25、4x - 3=18(46)3.2x-9=23(18)5x - 2=1.5(47)3(5x-4)=45(19)5x - 3=1.5(48)3x+24=5x+12(20)3x + 1.8 X 2=5.4(49)58-5x=43(21)3x + 1.8=5x + 0.2(50) 27-x=2x+15(22)5x 9=3x+ 1(51)5(2x+3)=20(23)3x + 9=5x+ 1(52)3(8+x ) - 2=18(24)5x 9=3x 1(53)1.5x+2x=2.8(25) 53x 9=55x 10(54)3(5x+5)=195(26)2(x + 1.5)=9(55)144-x=2 (54

26、+x)(27)2 (x-1.5 ) =8(56)1.5 X 2 8x=1(28)2 (x + 3) =7(57)58 5x = 43(29)2 (2x+ 3) =7(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 4X 5=0(66) 0.86 X 2 7.1x=0.3(67) 0.7x+6.8=15.2(68) 1.2 X 5-0.5x=3.5(69) x-0.25x=0.375(70) 0

27、.75x+0.6=0.36 X 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 X 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

28、.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 X 4=32.2(91) 3(10.3 x) - 2=6.45(92) 2.4 x=0.4x X 0.5(93) 1.8 - 2x = 1(94) 3 (8+ x )-2 = 18(95) 3 X 1.8 + 3x= 6(96) 1.5x + 2x = 2.8 + 4.9(97) (68-x)- 3X 2= 18(98) 120 x-2= 0.8(99) 3(67.4 x) = 26.4(100) 12x = 1

29、8X 1.1 + 9x(101) 16 X 0.5 + 6x = 10x(102) 2.2(x 0.6 ) = 1.1(103) 30.5x + 38.5 = 36x(104) 7x = 14X 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 X 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.

30、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 X 2=8(1-x)(123) 13(x+2)=5(x+7)(124) (12x+6)- 5=18(125) 0.85X 6=5x+3.2(126) 48-4x=2x-7.2(127) 15x-0.5=2.8-1

31、8x(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) X 3=4.8 X 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 X 2=7x-28(141) 55 - 4x=275

32、(142) (x+2.5)X 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 X 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+ 5X 1.2=2x(