五年级上册数学解方程小数计算练习讲课稿.docx
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五年级上册数学解方程小数计算练习讲课稿
小学五年级上册数学解方程计算题
(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)4.2x+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)139.25-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=4x
(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)3x-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÷411.55÷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)×817.8÷(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=36.8-3.9-6.12=5.48-(9.4-0.52)=