2x+16=19解方程方法

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五(上)数学解方程、小数计算练习

(1)(0.5 x) x=9.8÷2

(2)2(X X 0.5)=9.8

(3)25000 x=6x

(4)3200=440 5X X

(5)X-0.8X=6

(6)12x-8x=4.8

(7) 7.5 2X=15

(8)1.2x=81.6

(7)x 5.6=9.4

(10)x-0.7x=3.6

(11)91÷x=1.3

(12) X 8.3=10.7

(13) 15x=3

(14) 3x-8=16

(15) 3x 9=27

(16) 18(x-2)=270

(17) 12x=300-4x

(18) 7x 5.3=7.4

(19) 3x÷5=4.8

(25) 0.5x 8=43

(26) 6x-3x=18

(27) 7(6.5 x)=87.5

(28) 0.273÷x=0.35

(29) 1.8x=0.972

(30) x÷0.756=90

(31) 0.1(x 6)=3.3×0.4

(32) (27.5-3.5)÷x=4

(33) 9x-40=5

(34) x÷5 9=21

(35) 48-27 5x=31

(36) 10.5 x 21=56

(37) x 2x 18=78

(38) (200-x)÷5=30

(39) (x-140)÷70=4

(40) 20-9x=2

(41) x 19.8=25.8

(42) 5.6x=33.6

(43) 9.8-x=3.8

(44) 75.6÷x=12.6

(45) 5x 12.5=32.3

(46) 5(x 8)=102

(47) x 3x 10=70

(48) 3(x 3)=50-x 3

(49) 5x 15=60

(50) 3.5-5x=2

(51) 0.3×7 4x=12.5

(52) x÷1.5-1.25=0.75

(53) 4x-1.3×6=2.6

(54) 6x 12.8=15.8

(55) 150×2 3x=690

(56) 2x-20=4

(57) 3x 6=18

(58) 2(2.8 x)=10.4

(59) (x-3)÷2=7.5

(60) 13.2x 9x=33.3

(61) 3x=x 100

(62) x 4.8=7.2

(63) 6x 18=48

(64)3(x 2.1)=10.5

(65)12x-9x=8.7

(66)13(x 5)=169

(67) 2x-97=34.2

(68)3.4x-48=26.8

(69)42x 25x=134

(70)1.5(x 1.6)=3.6

(71)2(x-3)=5.8

(72)65x 7=137

(73) 9x 4×2.5=91

(74) 4.2 x 2.5x=134

(75) 10.5x 6.5x=51

(76) 89x-43x=9.2

(77) 5x-45=100

(78) 1.2x-0.5x=6.3

(79) 23.4=2x

(80) 4x-x=48.6

(81) 4.5x-x=28

(82)X-5.7=2.15

(83)5X-2X=18

(84)3X 0.7=7

(85) 3.5×2= 4.2 x

(86) 26×1.5= 2x 10

(87) 0.5×16―16×0.2=4x

(88) 13 9.25-X=0.403

(89) 18.9÷X=0. 3

(90) 23x=14x+27

(91) x+14x=75

(92)95-5x=80

(93)1.8 6x=54

(94) 6.7x-60.3=6.7

(95) 9+4x=53

(96) 2x 8=16

(97) 20x-14x=24

(98) x 7x=8

(99) 9x-3x=6

(100) 6x-8=4

(101) 5x x=9

(102) 8x-8=6x

(103)

x=20

(104) 2x-6=12

(105) 7x 7=14

(106) 6x-6=0

(107) 5x 6=11

(108) 2x-8=10

(109) 2.5x-8=4

(110) x-

=7

(111)3x 7=28

(112) 3x-7=26

(113) 9x-x=16

(114) 24x x=50

(115) 1.2x-8=4

(116) 3x-8=31

(117) 6x 6=12

(118) 3x-3=3

(119) 5x-3x=4

(120) 2x 16=19

(121) 5x 8=19

(122) 14-6x=8

(123) 15 6x=27

(124) 5-8x=4

(125) 7x 8=15

(126) 9-2x=1

(127) 4 5x=9

(128) 10-x=8

(129) 8x 9=17

(130) 9 6x=15

(131) x 9x=4 7

(132) 2x 9=17

(133) 8-4x=6

(134) 6x-7=28

(135) 7x-9=20

(136) x-56=1

(137) 8-7x=1

(138)x-30=12

(139) 6x-21=21

(140) 6x-3=6

(141) 9x=18

(142) 4x-18=14

(143) 5x 9=11

(144) 17-2x=11

(145) x 4 8=23

(146) 7x-12=9

(147) X-5.7=2.15

(148) 5X-2X=18

(149) 3X 0.5=5

(150) 3.5×2= 4 x

(151) 26×1.5= 2x

(152) 0.5×16―16×0.1=4x

(153) 9.26-X=0.402

(154) 36.9÷X=0.3

(155) X÷0.5=2.6

(156) 93-5x=80

(157) 180-6x=54

(158) 9+4x=40

(159) 0.2x-0.4+0.5=3.7

(160) 9.4x-0.4x=16.2

(161) 92-4x=20

(162) 7x÷6=1.4

(163) 16x+34x=1

(164) 18x-14x=12

(165) 3 x-42÷14=15

(166) 12+4x=56

(167) 22-14x=12

(168) X 8.3=10.7

(169) 5x =30

(170) x-5.6=9.4

(171) x÷0.8=90

(172) 3x-8=16

(173) 3x 9=27

(174) 5.3 7x=7.4

(175) 3x÷5=4.8

(176) X-0.8X=6

(177) 12x 8x=4.8

(178) 7(x-2)=49

(179) 4×8 2x=36

(180) (x-2)÷3=7

(181) x÷5 9=21

(182)(300-x)÷5=30

(183) 91÷x =1.3



小数计算练习题

7.658×85= 0.18×15= 0.025×14= 3.06×36= 3.7×0.016=

53×2.07= 36.02×0.3= 56.78×8= 1.55÷3.9= 16.9÷0.13=

0.04×0.12= 3.84×2.6= 1.89÷0.54= 7.1÷0.25= 22.78÷3.4

7×0.62= 12.25÷0.5= 73.5×0.1= 1.64÷41 1.55÷3.9=

7.564×0.89= 0.15×2.34= 0.48×350= 7.94×0.98= 56.2×4.98=

36.9×21.3= 1.96×8.5      80.4×0.35= 6.25×1.04=     0.056×0.15 =

12.5×4.8= 4.2÷28= 5.76×1.3= 7.15×22= 15.6×13=

3.68×0.25= 3.7×0.016= 0.45×102= 2.05÷0.82=

6.509÷0.27= 28.448÷14= 32×6.07= 28.448÷14= 0.58×250=

4.4×0.8-3.4×0.8 = 6-1.6÷4= 3.2×(1.5 2.5)÷1.6=

6.5×(4.8-1.2×4) 5.38 7.85-5.37= 56-1.19×3-0.43=

0.82×40×2.= (0.8+8)×0.125= 1.25×5×0.16=

4.2×99 4.2 = 0.235×0.15×16 = 35÷(0.35×2)=

0.52×0.4×0.05= 0.92×2.4-0.42×2.4= (1.25 0.25)×4=

2.95×101-2.95= 4.6×0.35 4.6×0.65= 23.4-0.8-13.4-7.2=

63×10.1-63×0.1= 3.14×1.9 31.4×0.81= 7.3×10.2-1.46=

12.96-(9.6-1.52)= 3.6 ×3.6 1.4 ×3.6= 2.7×1.5-2.7=

0.25×0.8×0.125×0.4 = 0.4×12.5×(4.2-1.7) = 45÷0.09÷0.5=

56.5×99 56.5= (1.25-0.125)×8 17.8÷(1.78×4) =

1.5÷(6.07 2.53)×0.5= 4.05÷1.5÷0.03 =   1.92÷0.12-2.7=

4.6+32.55÷9.3= 0.84÷(0.3+0.4)= 0.84×1.7÷0.07=

3.9÷1.3÷5= 20.9 10.5÷(5.2-3.5)= (6 10.88÷3.2)×1.5=

18.9-18.9÷1.4= 15.4÷[8×(6.34-4.59)]= 3.2×5.6-11.4=

9.4-1.2÷0.6+6.24= 3.76×0.25-0.49= 35.6-5×1.7=

73.8-1.64-13.8-5.36= 66.86-8.66-1.34= 0.25×16.2×4=

3.72×3.5+6.28×3.5= 36.8-3.9-6.1 2= 5.48-(9.4-0.52)=

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