Question

[nguyen thu trang]

Tính

P=\(\dfrac{\left(81,624:4,8-4,505\right)^2+125.075}{\left\{\left[\left(0,44^2\right):0,88+3,53\right]^2-\left(2,75\right)^2\right\}:0,52}\)

Q= \(\dfrac{\left(13\dfrac{1}{4}-2\dfrac{5}{27}-10\dfrac{5}{6}\right).203\dfrac{1}{5}+46\dfrac{3}{4}}{\left(1\dfrac{3}{7}+\dfrac{10}{3}\right):\left(12\dfrac{1}{3}-14\dfrac{2}{7}\right)}\)

Answer 1

[Phạm Ngân Hà]

(Ko chép lại đề nữa nhé, đánh đề bài xoắn cả tay)

\(P=\dfrac{\left(17,005-4,505\right)^2+125,075}{\left\{\left[0,1936:0,88+3,53\right]^2-7,5625\right\}:0,52}\)

\(=\dfrac{\left(12,5\right)^2+125,075}{\left\{\left[3,75\right]^2-7,5625\right\}:0,52}\)

\(=\dfrac{156,25+125,075}{\left\{14,0625-7,5625\right\}:0,52}\)

\(=\dfrac{281,325}{6,5:0,52}\)

\(=\dfrac{281,325}{12,5}\)

\(=22,506\)

\(Q=\dfrac{\left(\dfrac{53}{4}-\dfrac{59}{27}-\dfrac{65}{6}\right).\dfrac{1016}{5}+\dfrac{187}{4}}{\left(\dfrac{10}{7}+\dfrac{10}{3}\right):\left(\dfrac{37}{3}-\dfrac{100}{7}\right)}\)

\(=\dfrac{\left(\dfrac{1431}{108}-\dfrac{236}{108}-\dfrac{1170}{108}\right).\dfrac{1016}{5}+\dfrac{187}{4}}{\left(\dfrac{30}{21}+\dfrac{70}{21}\right):\left(\dfrac{259}{21}-\dfrac{300}{21}\right)}\)

\(=\dfrac{\dfrac{25}{108}.\dfrac{1016}{5}+\dfrac{187}{4}}{\dfrac{100}{21}:\dfrac{-1}{21}}\)

\(=\dfrac{\dfrac{1270}{27}+\dfrac{187}{4}}{-100}\)

\(=\dfrac{\dfrac{5080}{108}+\dfrac{5049}{108}}{-100}\)

\(=\dfrac{10129}{108}.\left(-\dfrac{1}{100}\right)\)

\(=-\dfrac{10129}{10800}\)