五年级数学(方程)习题及答案汇编

五年级数学(方程)习题及答案汇编

(1) x+28=107(2) 5.5x+4.8x-4.4=108.9(3) x+6=84

(4) 4.9x+5.2=19.9(5) 6(0.3x+1.3)=11.4(6) 77+x=115

(7) 5x-4.3=6.7(8) 0.8x+1.1×6=22.6(9) 10x=7

(10) x-0.4=6.6(11) (7x+9.2)÷11=7.2(12) 8.2+x=12.5

(13) 8.3x+7.5x=31.6(14) 3x-7×11=52(15) 3.1x-4=14.6 (16) 9.2+x=17.8(17) 9x+4x=208(18) 7x-2x-10=30 (19) x÷50=0.3(20) 4(9x-17)=112(21) 3x+4x+12=180 (22) 66x÷12=11(23) x+27=62(24) x+1.4=10.3

(25) (7x-6.3)÷7=3.1(26) x-75=11(27) 15x+2×64=263 (28) 112+15x=142(29) 98x-35=161(30) 9.4-5x=3.9

(31) 2(x+16)=52(32) 3.1-x=2.9(33) 10x+6x-10=166 (34) 2x+8×7=62(35) 2x+3.9=15.7(36) 41x-39x+2.3=6.1 (37) 3x-3×32=51(38) 4x+3.7=23.7(39) 6.6x-4.2x=16.8 (40) 13x+15x-26=282(41) x÷15=11(42) 19x-7x-29=43 (43) 9x-8.7x=2.1(44) 27x+12x+0.4=133(45) 7x-17=116

(46) 24x-18x-1.1=17.5(47) (14x-36)÷4=54(48) 2x-12×7=114 (49) 2x-4.7=1.7(50) 9x-7.6x-0.8=4.8(51) 12x-31×0.5=3.7 (52) 0.2x=14.6(53) 1.2+6.3x=13.8(54) 75x+4x-1.6=37.9 (55) 9.2-x=6.7(56) x-3.3=5.3(57) 0.9x-0.4x-1.5=7.5 (58) 150÷x=5(59) 77+x=169(60) 0.2x-4.8=5.6 (61) 13.8+6x=30(62) 9x-4x+49=74(63) 1x+5.3=21.3 (64) 8.4-x=4.3(65) 4.8x-2.6×2=9.2(66) 5x+5.5=11

(70) 14x÷6=0.7(71) 49+2x=145(72) 16+2x=27.8

(73) 9x-1.2=12.3(74) 0.3x+0.7×14=11.6(75) 16x+3x+7=178

(76) 10(9x-45)=180(77) 11x+16x-48=114(78) 16x-2x+14=126

(79) 15x-9x=48(80) 4.1x-2.6×5=3.4(81) 2(3.1x+4.6)=46.4 (82) 65x-25x+1.2=45.2(83) 3(4x+49)=171(84) 2.1x+2.3=14.9

(85) x-39=38(86) 153-5x=58(87) x-62=35

(88) (5x+18)÷11=8(89) 7x+9×1.1=17.6(90) 6.2x+8.4x=43.8 (91) 3x+1.7=11(92) 9x-5x=32(93) 32x+44=172

(94) 6x+29×0.4=20(95) 30x=18(96) x÷9=2.2

(97) (2.8x-1.6)÷4=9.4(98) (5.7x+2.1)÷14=3(99) 0.4x=15.6

(100) 88-x=52(101) 1.6x-0.6x+1.5=36.5(102) 22x+23x+4.2=35.7 (103) 14x=196(104) 96-x=48(105) 3(7x-15)=102 (106) 89-x=27(107) 99+55x=264(108) 19.5-10x=14.5 (109) 13x+11x-42=150(110) 18.1-2x=1.9(111) (6.9x-3.3)÷24=3.6 (112) x+18=44(113) 54x=162(114) 8.9-x=3.8

(115) 16x-12x+5=33(116) 13x+28=106(117) 0.7x+0.5x-4.5=77.1 (118) 22x+34x+1.9=18.7(119) 12x+5x-46=141(120) 5.1x+5.3x+4.8=150.4 (121) 15x+10x-16=309(122) 9.7x-6.3x=20.4(123) 6x÷90=0.2

(124) 161-10x=21(125) (7x-13)÷10=19(126) x-4.6=1.3

(127) 17x-9x-5=35(128) x-2.5=6.8(129) 160÷x=5

(130) (2x-13)÷27=1(131) 11x-9x+40=52(132) 4x÷24=0.3

(133) x÷2=6(134) 3.9x-5.8=9.8(135) 0.4x+2.6x+2.1=44.1 (136) 8x÷2=16(137) 71+x=83(138) 15x÷2=4.5

(139) 8.7x-3.2x-0.9=59.6(140) 5x+12x=187(141) 7.9+0.3x=26.5 (142) 12.1-0.4x=1.3(143) 4.8x+5.1x=158.4(144) 2x+8×1=11.2 (145) 6x-3x=33(146) 0.5x+4.5x+3.4=58.4(147) 10x-2x-23=129 (148) 0.3x÷10=1.8(149) 5.5x+2.7x=16.4(150) 3x+12x=75

(151) x+72=160(152) 6x-2x+22=86(153) 32x=12.8

(154) 6+x=14.7(155) 5.3x-2.8x+1.4=28.9(156) 8.2x-5.1x+0.8=25.6 (157) 5x+6x+31=306(158) 2(3.7x+0.4)=30.4(159) 2x-44×2=44 (160) 2(3.6x+5.6)=47.2(161) x-0.6=8.7(162) 0.4x=20

(163) 26x+24x+2.4=57.4(164) 4.3x+0.5×39=32.4(165) 14x-10x=44

(166) 10.7-1.8x=3.5(167) 17x-45×0.3=1.8(168) x+1.3=1.9

(169) 7.7x+2.7=18.1(170) 0.5x÷3=4(171) 29x-24x-3.5=13 (172) 160+4x=244(173) (2.4x+4.2)÷3=14.2(174) 11.7÷x=0.3 (175) 7x=35(176) x÷3=18(177) 66x+4x-1.9=96.1 (178) 67x-17x-0.7=24.3(179) (7x-26)÷12=13(180) 57x-24x+3=9.6 (181) 25x÷10=1.5(182) 6.5÷x=0.5(183) 0.3x+5.1=11.4 (184) 132-9x=78(185) 49x+53x-4.5=117.9(186) 2(14x+38)=132 (187) x÷35=5(188) 30x-8×0.3=9.6(189) 74x+75x+0.4=89.8 (190) 13x+40×0.4=21.2(191) x÷59=3(192) 1.5x+4.5=18 (193) (11x+47)÷12=14(194) 0.4x+1.4×3=14.2(195) 39x÷52=3

(196) 58-x=51(197) 2.9x+0.5×3=10.2(198) 5.1x+4.8x-0.8=118 (199) 6.2x-4.6x-4.7=4.9(200) 25x-17×2=141(201) 4.2+x=5.1

(202) x÷3=2(203) 2x+49=79(204) x÷18=1

(205) x-5.5=2.1(206) 74+x=131(207) x-25=17