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) 9x+13x=44(2) 15.5-8x=9.9(3) 7x+19x+12=220

(4) x÷73=0.2(5) 14x+7×24=238(6) x-5.5=2.4

(7) 7.9x-6.2x=15.3(8) x÷14=0.4(9) 0.9x-0.2×34=4.9 (10) 15.6÷x=0.4(11) (3x-19)÷4=11(12) x÷19=1

(13) 5x-52=113(14) 4.2x+2.6x+2.4=138.4(15) 4.5+3.4x=18.1 (16) 5x+4x+6=294(17) 1x+0.5x=61.5(18) 6x-1.6x-1.2=42.8 (19) 4.4x+0.7×15=28.1(20) 19.6-7x=13.3(21) 4.5x+1.8x-0.7=87.5 (22) (1.8x+4.8)÷21=0.4(23) 17.9-5.5x=6.9(24) x÷10=1.3

(25) 147-52x=43(26) 0.6x+0.3×40=30.6(27) 9x-88×2=22

(28) 35x=105(29) 10x+23=43(30) 14x=18.2

(31) 9.8x-4.7x-4.1=21.4(32) 1.1x+1.2x=163.3(33) 8x+14x-49=149 (34) (9x-35)÷14=2(35) 12.4÷x=0.4(36) 8+x=16.4

(37) 6.2x+5.8x=168(38) 16x-2.4=5.6(39) 2(0.8x+5.4)=17.2 (40) 19.3-5.3x=8.7(41) x-1.4=2(42) 26x÷13=4

(43) 0.2x+5=16.8(44) x-6.6=1.7(45) 7.5x-5.8x=15.3 (46) x-77=20(47) x+9.2=10.9(48) 9+x=103

(49) 9x+5×1.6=24.2(50) 82x-2x-4.9=59.1(51) 180÷x=15

(52) 13.7-4.2x=5.3(53) (1.8x+3.2)÷35=0.4(54) 83x+32=198

(55) 98x-1.2=18.4(56) x+93=146(57) x+2=10.7

(58) 17x-10x+31=52(59) 5.3-x=4(60) 1.7x-0.2x-4.5=13.5 (61) 4.7x-3.4x+1.8=21.3(62) 23+10x=113(63) x-5.4=1.4

(64) 2x÷44=4(65) 3x+66×2=300(66) 1.6x+0.2×29=15.4 (67) 70÷x=2(68) x+4=6.6(69) 2.1x+4.3x-4.3=40.5

(70) x-0.3=7.5(71) 1.7x+4.4x-1.8=59.2(72) 0.2x+5.7=17.3 (73) x÷19=7(74) 46x-30=62(75) 2(x+7.8)=45.6 (76) 4x-2x+13=113(77) 2.1+x=10.1(78) 56-x=43

(79) 0.3x-2=14.2(80) 99x+25x-3.7=70.7(81) 121+86x=293

(82) 0.2x+2.1=21.3(83) 11x+7x-4.8=43.8(84) 105+94x=293

(85) 0.4x-1.1×3=9.9(86) 6.4x-0.9x+2.8=63.3(87) (5.7x-3)÷30=1.8 (88) 4x=5.2(89) 23x+33x-4.7=135.3(90) 81+x=96

(91) 5.4+x=7.3(92) 1.2x-0.9x-3.6=18.9(93) 8.3x-1.5x=34 (94) 4x+2.3=9.5(95) 2(12x-37)=46(96) 12x+18x-13=257 (97) x-6=17(98) 16x-12=116(99) 11x-5x=24

(100) 9.8-x=2.5(101) 4.3x+0.3x+3.6=22(102) x÷3=38

(103) 50x÷10=2(104) x+10=61(105) 96x÷32=6

(106) 3(1.4x-0.7)=18.9(107) 8.6+7x=15.6(108) 12x÷16=3

(109) 2(x+32)=116(110) (5.2x-4.7)÷3=1.9(111) 11.1+11x=22.1 (112) x+9.1=16.3(113) 9.4x+0.3x=77.6(114) 43+x=82

(115) 14÷x=0.7(116) 2.8x-1.5x=9.1(117) (5x-46)÷11=9 (118) 5.6x+5.1=16.3(119) 10.7+10x=18.7(120) 37x+12x-1.7=125.7 (121) x+99=116(122) 6.9x-2.8x+4.2=49.3(123) 138÷x=3

(124) 2(0.6x+8.3)=49(125) 8x÷2=1.6(126) 0.2x+1.3×12=20.6 (127) 20x-21×0.2=9.8(128) (3x+6)÷2=24(129) 3.4-x=2.6

(130) 0.3x+2.1=4.8(131) 3(1.2x-8.8)=24(132) 4x-5.7=7.5 (133) 72+x=88(134) 23x+14×0.5=11.6(135) 46-x=14

(136) 45x-19=71(137) 84x+41x+2.3=77.3(138) 5x-3×6=122

(139) 149-21x=44(140) 2x+3.8=13.8(141) 36x-5×1.8=1.8 (142) 9.5x+2.9x+1.2=26(143) 9.5-36x=2.3(144) 5.9x+6.4x-0.9=60.6 (145) 6x+9x-38=217(146) 6x-7×1=9.8(147) 9x+63×3=234 (148) 7.2x-1.9x-0.3=47.4(149) 67+x=120(150) 5.5x-2.6x-4.1=48.1 (151) 196÷x=28(152) 8.1x=16.2(153) 4(14x-48)=200 (154) 19x+18x+30=178(155) 0.5x+2.3×3=17.4(156) 5x-3x-21=13

(157) 82x+77x-4.5=122.7(158) (2x-1.6)÷17=1.2(159) 2x+3x-23=212 (160) 15.1+6x=27.1(161) (9x+6)÷8=21(162) 18x-8x-30=80 (163) 2x+0.6×27=28.2(164) 5(0.7x+3)=32.5(165) 5.1x+1.1x+2.4=101.6 (166) 1.2x-1.3=2.3(167) 1.1x-5.5=3.3(168) 12x+6x=144

(169) 2x+11×16=236(170) x+2.4=10.9(171) (13x-7)÷16=15 (172) (4.4x-9.6)÷34=1.4(173) 6.9x-0.7x+2.9=27.7(174) 0.2x÷6=2.9

(175) 2(8x+5)=74(176) 12x+4.8=8.4(177) 53x-31x-2.7=10.5 (178) 2.7+8x=12.3(179) 12x÷6=0.4(180) x-8.2=1

(181) 4x=88(182) (6.4x-6.8)÷4=4.7(183) x-3=64

(184) 57x+42x+0.5=158.9(185) 1.4x-0.2x=75.6(186) 183-8x=15

(187) 1.9x+2.4x+3.5=33.6(188) (3x-12)÷24=1(189) (3.1x+8.5)÷7=2.1 (190) 19x-13x+45=75(191) 2x-3×1.9=3.3(192) 86x+99x+0.5=167 (193) 9x=11.7(194) (11x-9)÷18=5(195) 9.1x-2.6x=52 (196) (19x+35)÷4=61(197) 6.8-0.4x=4.8(198) (2.6x+4)÷9=4.2 (199) 8x-3x+3.4=45.9(200) (13x+31)÷7=36(201) 3.1+x=12.9

(202) 189-38x=75(203) 7.5-13x=2.3(204) 2x÷16=0.4

(205) 6.8x+3.7x=21(206) 0.8x÷10=0.4(207) 3(13x-6)=138