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) 7.6÷x=0.4(2) x+7.5=16.8(3) 15.9+56x=27.1 (4) (x+24)÷40=1(5) 9x+19x+12=236(6) (7.1x+8.9)÷5=10.3 (7) 118+2x=186(8) 0.4x÷8=0.5(9) (3x-3)÷8=3

(10) 2.7x+3.4x+3.3=161.9(11) (1.1x-0.9)÷23=0.2(12) 43x-48=38

(13) 1.1x+6x=56.8(14) 3x-3×19=87(15) 3x+12x-18=177 (16) 5x-4=6(17) (19x+32)÷11=15(18) 19.4-2.5x=1.9 (19) 4(x-8)=100(20) 81÷x=27(21) 21x-14x+3.4=20.9 (22) 4.4x+2.4x-2=140.8(23) 14x+7x-36=153(24) x+95=135

(25) 10x+2×1.7=11.4(26) 75-x=57(27) 13x-8×0.6=1.7 (28) 0.2x-2.4=1.2(29) 3x=9(30) x+94=141

(31) 9x-5x+10=26(32) 78x+23x-2.8=118.4(33) 4x-41=51

(34) 75+97x=269(35) 9+6x=13.2(36) 7x+54=173

(37) 6(0.3x+4.8)=41.4(38) 2.1x+1.6x=70.3(39) 3.8-x=2.5

(40) 0.3x÷6=0.6(41) 13.7+0.9x=18.2(42) (2.8x-0.7)÷27=0.7 (43) 0.7x=4.9(44) 17x+32=202(45) 36x÷8=18

(46) 12x-1.7=4.3(47) 8.3-0.4x=7.1(48) 4x-5.7=12.3 (49) 14x+7×2=26.6(50) 7x+3×5=176(51) 2(0.4x+4.8)=19.2 (52) 2x-2×48=26(53) 54x+7x-2.5=95.1(54) 1.2x+4.6×3=31.8 (55) 16.3-0.4x=10.7(56) 17x=85(57) 30x-39=111

(58) 3.6÷x=1.2(59) 4(0.6x-2.5)=42.8(60) 47x+31x+3=49.8 (61) 2.5x-1.7x+4=19.2(62) 98x÷28=7(63) 15x-5x+35=55 (64) 5.9x+2.9x+3.4=109(65) 2(6.1x-6.9)=47.2(66) 11x-9x+9=29

(70) 1.8x+9x+4.5=80.1(71) (12x-8)÷8=8(72) 77-x=70

(73) 3.7-x=1.6(74) 8.1x-5x-3.5=21.3(75) 8.8x+9x-1.1=105.7 (76) 1.2x+0.2x+2.8=93.8(77) 2(2.1x+9.4)=48.2(78) 55x+31x-4.7=115.7 (79) 3.7x-0.4x+4=93.1(80) 17x+3.2=15.1(81) 11x+3x-5=107 (82) x+9.5=16.2(83) 21x÷14=9(84) 1.7+3x=13.7 (85) x-12=68(86) 42x+50x-3.1=153.3(87) 2.9x-1.5×7=4 (88) 10x+11×1.3=16.3(89) 2x+4×1.6=11.4(90) x+1.5=6.4

(91) x+65=132(92) 5.4+41x=17.7(93) 5.1x+1.7=17 (94) x÷2=3.3(95) 3.6x-2.7x-2=3.4(96) 185+28x=241 (97) (11x-42)÷9=21(98) 14x-3x-19=69(99) 2(2.6x-9.2)=18 (100) 4.6x-0.7x=81.9(101) 5x-2.9=7.6(102) 3x=72

(103) 0.2x+0.2×12=5(104) 96÷x=12(105) 2x-22×0.2=3 (106) 14x÷10=7(107) 8.6x-6.7x+2.4=10(108) 11x-5×0.8=3.7 (109) 5.4+x=7.6(110) 2(6x-16)=136(111) 4(3.8x+4.8)=49.6 (112) 89+x=111(113) 11x-8x-11=28(114) 82+x=147

(115) 6.6+0.2x=18.8(116) 10(9x-5)=130(117) 4.1x+9.8x=139 (118) 66x+2x+3.8=24.2(119) 4.5x÷5=2.7(120) 5.6+5.1x=20.9 (121) 20+x=52(122) 5x+11x=32(123) 3(27x-47)=183 (124) 63x÷7=1.8(125) 71x+38x+4.2=145.9(126) 5x+14x+45=83 (127) 4(11x+4)=192(128) 0.4x=2.4(129) 6x+66×2=150 (130) 3x+32=74(131) 61+x=75(132) (8x+6)÷2=111 (133) 8x-5x-2=28(134) 7x+19x=260(135) 8x+3×4=164 (136) 5x-3x=12(137) 10x+7x-16=137(138) 3.2x+2.1x=79.5

(139) 96x-5.5=13.7(140) 1.3x-0.3×43=1.4(141) 11x-3.3=11

(142) 11x-7x-19=41(143) (4x+36)÷8=12(144) 0.6x-1.7=9.1 (145) (4x+3)÷5=12.6(146) (7.9x-1.6)÷2=22.9(147) 3.2x-0.4×18=8.8 (148) 2(8x+34)=180(149) 14x+1.1=10.9(150) (4.4x-1.4)÷23=3 (151) 153+4x=293(152) 186-81x=24(153) x-8=1.7

(154) 31+x=104(155) x÷22=0.6(156) 5.1+1.3x=10.3 (157) 2.4x-1.4=15.4(158) 3x+4x-7=63(159) 0.8x-3.6×5=1.2 (160) 4(3x+29)=188(161) 0.9x-3.4=16.4(162) 11.5+4.2x=24.1 (163) 14x-7x-12=23(164) 64x-33x+1.9=29.8(165) 0.6x÷18=1.1 (166) 4(9x+20)=152(167) 41x-4×1.6=1.8(168) 11x+43=241

(169) 0.2x=5.4(170) 3x+82x-2.2=48.8(171) x+21=26

(172) 12x-2x-13=87(173) (10x-7)÷3=21(174) 76-x=12

(175) 88-9x=34(176) 7.4x+6.2x+3.4=71.4(177) 27x+1.9=20.8 (178) x+5.9=8.7(179) 7.8x+1.9x-1.1=18.3(180) 0.6x=7.8

(181) 6x+5.4=9(182) 6.2+x=6.7(183) 29x+5=13.7

(184) x÷12=16(185) 18.6+8x=25.8(186) 8.2-x=4.9

(187) 17.5-2x=5.3(188) (1.7x+3)÷8=0.8(189) 18x+3x=168

(190) 0.6x+1.9=16.3(191) 5x+6×2.2=27.2(192) 10x-6x-12=68 (193) 2x+2×77=206(194) x-53=10(195) 8x÷44=0.4

(196) (15x-39)÷4=54(197) x-5=32(198) 5x-2×33=104 (199) 87x-9x-4=11.6(200) 6x+8x-37=229(201) (0.9x+9.6)÷3=7.7 (202) x-40=39(203) 9.5+x=11.1(204) 9.9x+8.1x+2.1=56.1 (205) 1.9x-0.6x=19.5(206) x-6.9=1.4(207) 5x+2x+7=280