thuc hien phep tinh (75.5^4+175.5^4):(20.25.125-625.75)
thuc hien phep tunh
a, ( 20.24 + 12.24 - 48.22):82
b,(75.54 + 175.54) : ( 20.25.125-625.75)
Tính: ( 75.54 + 175.54) : (20.25.125 - 625.75)
=(75.54+175.54):(20.25.125-625.75)
=(75.625+175.625):(62500-46875)
=(48675+109375):15625
=158050:15620
=10,1184379
Tính nhanh
b,(75.54+175.54):(20.25.125-625.75)
(75.54+175.54):(20.25.125-625.75)
Giúp mình với mai nộp rồi nhanh nhẹ
= [(75 + 175).\(5^4\)] : (20.5.5.125 - 625.75)
= (250.625): ( 100. 625 - 625.75)
= (250.625): [(100 - 75).625]
= 250.625 : 25.625
= (250:25).625
= 10.625
= 6250
\(\frac{75.5^4+175.5^4}{20.25.125-625.75}=\frac{5^2.3.5^4+5^2.5^4.7}{4.5^2.5^3.5-5^4.5^2.3}=\frac{5^6\left(3+7\right)}{5^6\left(4-3\right)}=\frac{10}{1}=10\)
Thực hiện phép tính:
(20.2^4+12.2^4-48.2^2):8^2
(75.5^4+175.5^4):(20.25.125-625.75)
(75.5\(^4\)+175.5\(^4\)) . (20.25.125 - 625.75)
Thực hiện phép tính \(\left(75.5^4+175.5^4\right):\left(20.25.125+625.75\right)\)
\(\frac{75.5^4+175.5^4}{20.25.125+625.75}\)
=\(\frac{3.25.5.125+7.25.625}{4.5.25.125+625.3.25}\)
=\(\frac{3+7}{4+3}\)
=\(\frac{10}{7}\)
thực hiện phép tính sau
a) (20.2^4+12.2^4-48.2^4):2
b) (75.5^4+175.5^4):(20.25.125-625.75)
c) 100-(75-3^2)
a) \(\left(20.2,4+12.2,4-48.2,4\right):2\)
\(=\left[2^4.\left(20+12-48\right)\right]:2=2^4.\left(-16\right):2=\left(2^4:2\right).\left(-16\right)=8.\left(-16\right)=-128\)
b)\(\left(75.5^4+175.5^4\right):\left(20.25.125-625.75\right)\)
\(=\left[5^4.\left(75+175\right)\right]:\left[5.\left(4.5.25-125.15\right)\right]\)
...............
c)\(100-\left(75-3^2\right)=100-75+9=34\)
chúc cậu học tốt:)
nếu được thì làm quen ạ<3
Tính nhanh
a,(20.24+12.24):82 b,(75.54+175.54):(20.25.125-625.75)