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1、 1分数计算7189713417 2 2181018 202561177818315141918 1820整数方程57 - 5x = 279x =12x - 395x + 30 =12x + 6五年级计算小超市(12 月) 2分数计算122 13671983 385 1613 1079952331911115 164 1020 2 19整数方程6(x - 2)-19=53x + 7 = 374x + 9 =12x - 23五年级计算小超市(12 月) 3分数计算1227111417 235114182118 24 1719413612131 6 31 6152181320整数方程6x 2 (3
2、x 16)=-60 - 5x =15x14x +15 = 30 - x五年级计算小超市(12 月) 4分数计算712518 1871152 31813 1913148142157724 2 5 1587320整数方程3(x+ 2)=12- ( - ) =3x 5 x6x -17 = 3x +10310x五年级计算小超市(12 月) 5分数计算11351311 1112271011126 12 1625 13714412 2 17231791 111821578整数方程9(- ) =2x 8 1821 6 3 7x= ( - ) +x6x - 5 = 3x +10五年级计算小超市(12 月) 6
3、分数计算28225111213205813 20 41511 33517521531 6 410183324 4 10整数方程30 + (3x 2) 62+=2x + 8 =1611x 64 2x =100 - 9x+-五年级计算小超市(12 月) 7分数计算8 7 10 59 16 12 17 3 20 4 10 11 8 131214 17 1 24 9 8 7 7 27 4 34 1 7 29整数方程15x + 2x =10212x + 3 = 2x + 939x - 70 = 2x + 70五年级计算小超市(12 月) 8分数计算111216161111 1 1 7021077 16
4、161161311171111131346314 167整数方程7(6 x) 6 5x-+ =18 - (15 - 3x)= 4x - 5100 + 4x =16 + 8x五年级计算小超市(12 月) 9分数计算11121161111 1 1 71 2332116816 161913111717211 2111321346314 16整数方程7+x5 x 1= ( - )8 +14x =10x +162x +13 = 5(x - 4)+ 9五年级计算小超市(12 月) 10分数计算131121191191 2 1 71 22188 16 161113 3 21137172 4 11 14 16
5、13213463整数方程5(x 8) 6(x 6)+=+3(2x - 4)= 7x -153x + 7 = 32 - 2x五年级计算小超市(12 月) 11分数计算25115255316761251+-+236251272125711-+-541214 10 49整数方程( - ) =5 2 1952 - 8(x - 5)= 411(x - 3)+ x =158x+x五年级计算小超市(12 月) 12分数计算21212531761851+-+152525601225154171433911-+-31214 10 49整数方程( - ) =3 x12x - (7x + 9)=120x - 35x
6、 7x=-66-43x五年级计算小超市(12 月) 13分数计算21215251714512+ +3512532516515417214334911-+-123310 12整数方程3(x 1) (2 x) 23-=36(x - 2)= 2 - x2x + 65 =100 - 5x五年级计算小超市(12 月) 14分数计算212118255613161251+-+252512253417234911-+-35310 12整数方程x + 8x + 7x = 48(3x 7)+ (2x 3) 29+-=2 + x = 2(x - 0.5)五年级计算小超市(12 月) 15分数计算2121125553
7、176851+-+3311221222541721815911-+-2531628 107整数方程(2 x- )= ( + )(+ )- ( + ) =3 2x 1 2 x( + 5x)- = ( - )6 23 2 x 111 x72411五年级计算小超市(12 月) 16分数计算1121812553117321+-+3221212217711711-25538835 10 10整数方程(4x -12) +=44 - 3x(2 4 2x 1+ )= ( - )- ( - )= ( + )10 5 2x 1 15 x 172 3x五年级计算小超市(12 月) 17分数计算32312531127
8、51+-+321135211225541762146158711-23107整数方程( + ) =12x + 3(2x +1)=1712x -106 = (3x +1)-1725-x3五年级计算小超市(12 月) 18分数计算33125211221+1 -1 + 211 4 1132151235411214677111 1 1 -52368107整数方程(80- )- ( - ) =x6x9x-7(4 3x- 6)-17=715x6 2 2x- = ( + 4) +8五年级计算小超市(12 月) 19分数计算12312211211+ 32 1 -1 1 + 211115321251233512
9、12777111 1 -568107整数方程(- )= ( + )4 x 1 3 4x46 - 8x = 5(x +1)+153 2x 1 2 x 11+ )- ( + ) =(284五年级计算小超市(12 月) 20分数计算1148512211221+ 33 -121 + 511531551233121277871451 5-1 -55610整数方程7(- )- ( - ) =2x 1 3 4x 10- ( - ) =3x 5 x310x(7 2x- 4) -6=7x-6五年级计算小超市(12 月) 21分数计算1481211731+ 33 -5115 17 2115 14 20122151
10、11112-1 + 58- 3 13 -712276192 14 10方程计算25x - 2 = 011: 9 = 2:5x(- )3x 1 :3 4:7=五年级计算小超市(12 月) 22分数计算18512212117+ 33 -3 5 17-1611551 2112165- 31 1531- 4 12-1 + 227126 19625方程计算12x + 62x -1831 21x + 2 = 6=:x = :12 54五年级计算小超市(12 月) 23分数计算13121213211+ 31-1-142516 51 2423 13 23721611132172-1 + 2138-1 1 -2
11、6306708 11方程计算25133x -1x +1x - x =0.4 : x =1.2 : 2= 2310五年级计算小超市(12 月) 24分数计算1313221732235 + 33 -+1 + 27285585 5073215- 31 1351 4-1 + 2876186 19515方程计算x -1x + 4.3x + 9.8 = 46.3=2: 71.4 :1.8x = 28: 277五年级计算小超市(12 月) 25分数计算1831322113131 + 24 -3 + 255 11 211857321571172- 213-1 + 28- 3 + 45532535方程计算341
12、43841xx +=x :1 = :1.5=1.2 : 755325五年级计算小超市(12 月) 26分数计算135+ 213211131363 1 -134 6 + 299521225711711185 125-1+ 28- 3 131321206205方程计算4.2x + 2.5x =1340.7 : x =14 :56.5 : x = 3.25 : 4五年级计算小超市(12 月) 27分数计算13122113155 + 353 -5 + 31435555 152851721 + 21551- 3 11175+ 31-73727619145方程计算135753 654x + x =3:5=
13、( + )x6 : 20:x 1 := ( - )65 7五年级计算小超市(12 月) 28分数计算1231322112595 + 303 1 -1501 55520517216511144517-1 + 28- 3 1 3527638515方程计算35x - 78x + 6 11(2x + 3) = 92.5 : 0.5 =1.65x - 24五年级计算小超市(12 月) 29分数计算131312-11735145 +1354 21 1 -4 9145491721 + 311- 31 3311-81 1 -3714706 194610方程计算355927592.1+ 4x =12.5:=:
14、(2x +1): x = : 22105五年级计算小超市(12 月) 30分数计算111321135145 + 33 -13 2-135534 20232161127 262- 2 + 28 - 3 112 -7619139方程计算1287(3x- 3) =3: 20(x - 7)=13: 2609x 12五年级计算小超市(12 月) 参考答案练习练习 6:1:70431190961139355632266118163111514723624x = 4x =10x = 2x = 6x =13x=7练习 7:练习 2:913153466542311012863130542127111066174
15、0x = 6x = 9x = 20x =10x = 4x = 6练习 8:练习 3:397871688691141138381161916285234130x = 21x = 4x = 8x = 3x =1x = 2练习 9:练习 4:12297817526191972783718152813506070x = 3x = 2x = 85x = 2x=x=94练习 10:练习 5:21162718785135013235212371556375623364x = 5x = 4x = 3x = 5x = 5x = 3 练习 11:练习 16:2123772920211735641759451254
16、6432519614725x = 3x =11x = 4x = 7x = 4x = 0练习 12:练习 17:871127271378475601762167112432413111227514749x = 3x = 2x = 3x =10x = 2x =10练习 13:练习 18:812132134413212058435158913121091212413111249x = 5x = 7x = 2x = 9x = 4x = 2练习 14:练习 19:24117292013333251511218477330348332312815x = 3x = 5x = 3x = 4x = 2x = 4
17、练习 15:练习 20:471316111573561x33221184617121942403516251254x = 9x = 4x = 5x = 2x=4 练习 21:练习 26:275161219421930362225105205252332526990741784272010181921=x20x0.25x8x = 5x=x =55练习 27:练习 22:34725363321327825331103535612333814321052710216158x =x = 6x =x = 8x = 2x = 55:练习 23练习 28:2932371100111085330335023151313191348686028301085922=15= 2x6xxx =x =x = 33练习 29:练习 24:11552778751383213361550171918773423583014911x = 2.6x=x= 6348x = 5x = 3x=练习 30 :练习 25:11134346879105618152023241515232224225438151052327310x =1x=x =1621x =x =x = 0.45
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