Tính
( 125 ^3 - 175^5 :5 ) : 2001 ^ 2002
tính (125^3*75 -175^5:5):2001^2002
tính
(125^3.7^5-175^5:5): 2001^2002
1253.75-1755: 5):20012002
= [(53)3.75-1755:5):20012002
= (59.75-1755:5):20012002
= (55.54.74.7-1754.175:5):20012002
= (55.354.7-1754.35):20012002
= (5.7.354.54-1754.35):20012002
= (35.1754-1754.35):20012002
= 0:20012002
= 0
Tính (1253.75-1755: 5):20012002
(1253.75-1755: 5):20012002
= [(53)3.75-1755:5):20012002
= (59.75-1755:5):20012002
= (55.54.74.7-1754.175:5):20012002
= (55.354.7-1754.35):20012002
= (5.7.354.54-1754.35):20012002
= (35.1754-1754.35):20012002
= 0:20012002
= 0
(125^3×5)-(175^5÷7^5)÷2001^2002
=9765625-9765625÷2001^2002
= 0÷2001^2002
=0
tính (1253.75-1755 : 5 ):20012002
Lời giải:
$125^3.75-175^5:5=(5^3)^3.5^2.3-(5^2.7)^5:5$
$=5^9.5^2.3-5^{10}.7^5:5$
$=5^{11}.3-5^9.7^5=5^9(5^2.3-7^5)=5^9(-16732)$
$\Rightarrow (125^3.75-175^5:5):2001^{2002}=\frac{-16732.5^9}{2001^{2002}}$
Tính: (125 mũ 3.7 mũ 5- 175 mũ 5:5)2001 mũ 2002
tính
(1253.75-1755:5):20012002
(125 mũ 3 . 7 mũ 5 -175 mũ 5 :5):2001 mũ 2002
Bài 1 tính
c) (1253.75-1755/5) / 20012002
125^3.7^5-175^5:5):2001^2002