早教吧作业答案频道 -->其他-->
计算:(1)5795.5795÷5.795×579.5;(2)13.64×0.25÷1.1;(3)24×(0.123+0.127)×0.125×(2.52+1.48);(4)(3.74+3.76+3.78+3.8+3.82)×0.04÷24×60;(5)1.25×3.14+125×0.0257+1250×0.00229;(6)3.51×49+35.1×5.1+99
题目详情
计算:
(1)5795.5795÷5.795×579.5;
(2)13.64×0.25÷1.1;
(3)24×(0.123+0.127)×0.125×(2.52+1.48);
(4)(3.74+3.76+3.78+3.8+3.82)×0.04÷24×60;
(5)1.25×3.14+125×0.0257+1250×0.00229;
(6)3.51×49+35.1×5.1+99×51.
(1)5795.5795÷5.795×579.5;
(2)13.64×0.25÷1.1;
(3)24×(0.123+0.127)×0.125×(2.52+1.48);
(4)(3.74+3.76+3.78+3.8+3.82)×0.04÷24×60;
(5)1.25×3.14+125×0.0257+1250×0.00229;
(6)3.51×49+35.1×5.1+99×51.
▼优质解答
答案和解析
(1)5795.5795÷5.795×579.5
=1000.1×579.5
=1000×579.5+0.1×579.5
=579500+57.95
=579557.95;
(2)13.64×0.25÷1.1
=3.41÷1.1
=3.1;
(3)24×(0.123+0.127)×0.125×(2.52+1.48)
=24×0.25×0.125×4
=6×0.125×4
=(0.125×8)×3
=1×3
=3;
(4)(3.74+3.76+3.78+3.8+3.82)×0.04÷24×60
=18.9×0.04÷24×60
=18.9×(0.04×60÷24)
=18.9×0.1
=1.89;
(5)1.25×3.14+125×0.0257+1250×0.00229
=125×0.0314+125×0.0257+125×0.0229
=125×(0.0314+0.0257+0.0229)
=125×0.08
=10;
(6)3.51×49+35.1×5.1+99×51
=35.1×4.9+35.1×5.1+(100-1)×51
=35.1×(4.9+5.1)+(100×51-1×51)
=35.1×10+(5100-51)
=351+5049
=5400.
=1000.1×579.5
=1000×579.5+0.1×579.5
=579500+57.95
=579557.95;
(2)13.64×0.25÷1.1
=3.41÷1.1
=3.1;
(3)24×(0.123+0.127)×0.125×(2.52+1.48)
=24×0.25×0.125×4
=6×0.125×4
=(0.125×8)×3
=1×3
=3;
(4)(3.74+3.76+3.78+3.8+3.82)×0.04÷24×60
=18.9×0.04÷24×60
=18.9×(0.04×60÷24)
=18.9×0.1
=1.89;
(5)1.25×3.14+125×0.0257+1250×0.00229
=125×0.0314+125×0.0257+125×0.0229
=125×(0.0314+0.0257+0.0229)
=125×0.08
=10;
(6)3.51×49+35.1×5.1+99×51
=35.1×4.9+35.1×5.1+(100-1)×51
=35.1×(4.9+5.1)+(100×51-1×51)
=35.1×10+(5100-51)
=351+5049
=5400.
看了 计算:(1)5795.579...的网友还看了以下:
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
有一串分数1/1;1/2,2/2,1/2;1/3,2/3,3/3,2/3,1/3;1/4,2/4, 2020-05-14 …
1+2+3+n=2分之1n(n+1),n是正整数,研究1*2+2*3+你(n+1),观察1*2=3 2020-05-20 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
x/2-x+1/4=3t-t-2/4=57/3y+1=1/3(y-3)2x-1/3-=1+4x/5 2020-07-18 …
3^1+1=4,3^2+1=10,3^3+1=28,3^4+1=82,3^5+1=244,归纳计算 2020-07-19 …
已知1^3=1=1/4*1^2*2^2;1^3+2^3=9=1/4*2^2*3^2;1^3+2^3 2020-07-19 …
已知1^3=1=1/4*1^2*2^2;1^3+2^3=9=1/4*2^2*3^2;1^3+2^3 2020-07-19 …
寻找规律解数学题1/1*2=1-1/22/2*3=1/2-1/31/3*4=1/3-1/4……计算 2020-07-22 …
已知:1=1,1-4=-(1+2),1-4+9=1+2+3,1-4+9-16=-(1+2+3+4), 2020-11-22 …