Ⅰ 小学五年级数学上册小数点乘除法计算题
我建议你去买一本《重点难点》或《数学详细解析》石龙购书中心应该有,去看一下吧!
我给你出几道,你做一下:
5*2.5= 8*1.25= 1.26*5.28= 3.5*10.01=
20*5.8= 58*225.2= 15*5.5= 14*25.2=
Ⅱ 小数的除法计算题 五年级的,简单的,多一点
小数除法
、用竖式计算下面各题。
(1)68.8÷4= (2)85.44÷16= (3)67.5÷15=
(4)289.9÷18= (5)101.7÷9=(6)243.2÷64=
(7)16.8÷28= (8)15.6÷24=(9)0.138÷15=
(10)1.35÷27=(11)0.416÷32=(12)3.64÷52=
(13)91.2÷3.8=(14)0.756÷0.18=(15)51.3÷0.27=
(16)26÷0.13=(17)210÷1.4=(18)2.688÷0.56=
(19)10.625÷25=(20)126÷45=(21)10÷25=
(22)2.7÷7.5=(23)15÷0.06=(24)25.6÷0.032=
2、下面各题,商保留一位小数。
(25)14.36÷2.7≈(26)8.33÷6.2≈(27)1.7÷0.03≈
3、下面各题,商保留二位小数。
(28)32÷42≈(29)1.25÷1.2≈(30)2.41÷0.7≈
Ⅲ 100道五年级小数除法竖式计算题
25.2÷6=34.5÷15=5.6÷4=1.8÷12=。
1.8÷12=7.83÷9=4.08÷8=0.54÷6=。
6.3÷14=72÷15=14.21÷7=24÷15=。
1.26÷18=43.5÷29=18.9÷27=1.35÷15=。
28.6÷11=20.4÷24=3.64÷52=15.6÷12=。
328÷16=1.35÷27=7.65÷0.85=12.6÷0.28=。
62.4÷2.6=0.544÷0.16=1.44÷1.8=11.7÷2.6=。
19.4÷12=5.98÷0.23=19.76÷5.2=10.8÷4.5=。
21÷1.4=8.84÷1.7=6.21÷0.03=1.89÷0.54=。
0.51÷0.22=7.1÷2.5=1.998÷0.54=1.28÷0.16=。
2.1÷0.4=2.56÷3.2=50.18÷38.6=4.68÷7.5=。
14.7÷0.07=5.4÷0.15=124.8÷0.24=23.4÷5.85=。
小数除法竖式的算法:
除数是小数的除法,先移动( 除数)的小数点,使它变成(整数 );如0.756÷0.18=75.6÷18=4.2。
除数的小数点向右移动几位,被除数的小数点也( 右)移动( 几位)(位数不够的,在被除数的(末尾 )用“0”补足);然后按照除数是(整数 )的小数除法进行计算。3.3÷0.75=330÷75=4.4。
按整数除法的方法除,计算时商的小数点要和被除数的小数点对齐。在除法算式里,除到被除数的哪一位,商就写在哪一位上面,也就是说,被除数和商的相同数位是对齐了的,只有把小数点对齐了,相同数位才对齐了,所以商的小数点要对着被除数的小数点对齐。
Ⅳ 小学五年级数学小数除法计算题
1、直接写出得数.
0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3= 10×0.07= 0.3×1.4= 0.05×7= 0.92×0.4= 0.2×0.26= 0.14×4= 0.02×0.1= 1.2×0.3=0.2×0.4= 8.2+1.8= 100-35.22= 2.3×4=
2.5×0.4= 2.4×5= 0.22×4= 3.25×0=
0.9-0.52= 3.99×1= 0×3.52= 12.5×8=
8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12=
0.9×0.8= 7.5x-3x = a+3a+7a== 1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7= 5.4÷6=
0.16.5×10= 0.56×100= 3.78×100= 4÷0.8 =
3.215×100= 0.8×10= 4.08×100= 1.1×0.2 =
0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4=
12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 = 1.78+2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12-3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 3.9+2.03= 4.2÷3.5=
1.6+2.4×0.3 = 2.14-0.9= 27+456+73= 0.3×0.3=
7.2+2.8= 0.9÷0.01= 12÷0.3= 2.87÷0.7=
13÷4= 0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8= 8-2.5= 16÷1.6= 5.6×1.01= 8×(2.5+0.25)= 0.36+0.64= 64.32÷16= 4.2÷0.1=
72.8÷0.8= 8.4÷4.2= 13.8+9.9= 2.4×2.5=
0.05×0.8= 2.56-0.37= 1.25×0.8×0.5= 12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3= 19.6÷2= 8.8÷2.2= 0.75×4= (1.5+0.25)×4= 0.5×0.8=
8.4×0.2= 1.6×0.2= 7.2×0.3= 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46+4.54= 12.5×0.8= 0.35×0.3=
1.4×5= 2.8×4= 19.6÷4= 22.5×4=
2、用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3=
(保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈
(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5 4.2.×1.+1.×1.75
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
二、解方程:
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5x-3x=18
5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
Ⅳ 小学五年级数学上册小数点乘除法计算题
1、直接写出得数。
0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3= 10×0.07= 0.3×1.4= 0.05×7= 0.92×0.4= 0.2×0.26= 0.14×4= 0.02×0.1= 1.2×0.3=0.2×0.4= 8.2+1.8= 100-35.22= 2.3×4=
2.5×0.4= 2.4×5= 0.22×4= 3.25×0=
0.9-0.52= 3.99×1= 0×3.52= 12.5×8=
8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12=
0.9×0.8= 7.5x-3x = a+3a+7a== 1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7= 5.4÷6=
0.16.5×10= 0.56×100= 3.78×100= 4÷0.8 =
3.215×100= 0.8×10= 4.08×100= 1.1×0.2 =
0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4=
12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 = 1.78+2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12-3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 3.9+2.03= 4.2÷3.5=
1.6+2.4×0.3 = 2.14-0.9= 27+456+73= 0.3×0.3=
7.2+2.8= 0.9÷0.01= 12÷0.3= 2.87÷0.7=
13÷4= 0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8= 8-2.5= 16÷1.6= 5.6×1.01= 8×(2.5+0.25)= 0.36+0.64= 64.32÷16= 4.2÷0.1=
72.8÷0.8= 8.4÷4.2= 13.8+9.9= 2.4×2.5=
0.05×0.8= 2.56-0.37= 1.25×0.8×0.5= 12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3= 19.6÷2= 8.8÷2.2= 0.75×4= (1.5+0.25)×4= 0.5×0.8=
8.4×0.2= 1.6×0.2= 7.2×0.3= 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46+4.54= 12.5×0.8= 0.35×0.3=
1.4×5= 2.8×4= 19.6÷4= 22.5×4=
2、用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3=
(保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54 0.76×0.32
0.25×0.046 2.52×3.4 1.08×25
0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈
(保留两位小数)
2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)
10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24 (2.275 +0.625)×0.28
3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8
8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58
32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8
4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101
0.68 ÷(5.2 -3.5)× 1.25
40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257
6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)× 2.5 4.2.×1.+1.×1.75
2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1
2.5×(3.8×0.04) 7.69×101 3.8×10.1
0.25×39+0.25 0.125×72 46×0.33+54×0.33
(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40
6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2
9.5×99 13.5×0.98 12.5×8.8
二、解方程:
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5x-3x=18
5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2