14除5加12除7加16除5加23除7怎么算 不能用小数点算

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1.75亿学生的选择
中不能化为有限小数的是______.
泽速浪2248
是最简分数,分母中只含有质因数2,能化成有限小数;
是最简分数,分母中含有质因数2和3,不能化成有限小数;
是最简分数,分母中只含有质因数5,能化成有限小数;故答案为:
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1.75亿学生的选择
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 3.68×0.2516.9÷0.13 1.55÷3.9 3.7×0.01613.76×0.8= 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+0.97.28×99+7.28 4.3×50×0.2 64-2.64×0.526×15.7+15.7×24 (2.275 +0.625)×0.28 3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.88.9×1.1×4.7 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+1.5832+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×84.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.094.85 + 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.×82576.81+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.×1.752.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.12.5×(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 0.25×185×406.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.29.5×99 13.5×0.98 12.5×8.8 二、解方程:54-X=24 7X=49 126÷X=4213+A=28.5 2.4X=26.4 7.5x-3x=185×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
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其他类似问题
1.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 ...
扫描下载二维码3/8*6/5 除以 15/16
16*3/8除以2/7
8/15除以3*5/6
18-8/5除以4/15
8/9除以1/6除以2/3
5/7除以6/5除以2/3
12/17除以3*4/5
x-5/1x=3/8
x*4/7*7/12=3
x+5/3x=3/5*2/15
- 雅兴问问
当前位置: & 3/8*6/5 除以 15/16
16*3/8除以2/7
8/15除以3*5/6
18-8/5除以4/15
8/9除以1/6除以2/3
5/7除以6/5除以2/3
12/17除以3*4/5
x-5/1x=3/8
x*4/7*7/12=3
x+5/3x=3/5*2/15
未解决问题3/8*6/5 除以 15/16
16*3/8除以2/7
8/15除以3*5/6
18-8/5除以4/15
8/9除以1/6除以2/3
5/7除以6/5除以2/3
12/17除以3*4/5
x-5/1x=3/8
x*4/7*7/12=3
x+5/3x=3/5*2/15
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1.75亿学生的选择
计算 能简算的必须要简算 不能简算的可以不简算1.5/7÷5/12×(7/12-5/12)+5/72.3/16×1又7/9+1/2×7/13+6/13×0.53.(4/5-1/3)÷(7/8+7/10×5/12)4.4/9÷〖4/5-(1/5+1/3)〗5.2又2/3×4/5+0.8×1又1/3+6×80‰6.15/16+(7/16-1/4)÷1/27.1/3÷(2/3-2/5)×3/58.8/9+8/9+8/9+8/9+5/99.〖1/2-(3/4-3/5)〗÷7/1010.(3/5-2/5×3/4)÷1/5+0.5满意加一百分要写清楚点
雷霹雳0003
1.5/7÷5/12×(7/12-5/12)+5/7=5/7×12/5×2/12+5/7=2/7+5/7=12.3/16×1又7/9+1/2×7/13+6/13×0.5=3/16×16/9+1/2×7/13+6/13×1/2=1/3+7/26+3/13=1/3+(7/26+6/26)=1/3+1/2=5/63.(4/5-1/3)÷(7/8+7/10×5/12)=7/15 ÷(7/8+7/24)=7/15 ÷28/24=7/15×24/28=2/54.4/9÷〖4/5-(1/5+1/3)〗=4/9÷(4/5-1/5-1/3)=4/9÷(3/5-1/3)=4/9÷4/15=4/9×15/4=5/35.2又2/3×4/5+0.8×1又1/3+6×80‰=8/3×4/5+8/10×4/3+6×80‰=8×(4/15+4/30+6/100)=8×138/300=8×0.46=3.686.15/16+(7/16-1/4)÷1/2=15/16+3/16×2=15/16+6/16=21/167.1/3÷(2/3-2/5)×3/5=1/3×15/4×3/5=3/48.8/9+8/9+8/9+8/9+5/9=4×8/9+5/9=37/99.〖1/2-(3/4-3/5)〗÷7/10=(1/2-3/20)×10/7=7/20×10/7=1/210.(3/5-2/5×3/4)÷1/5+0.5=(3/5-3/10)×5+1/2=3/10×5+1/2=3/2+1/2=2
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