Câu hỏi của Lê shark

Question

tinh2448:[119-(23-6)][130-3.(5.2^4-5^2.2)]:2^35^3.52+5^3.7^2-5^32^3.16-2^3.14+56

Hoàng Ninh · Accepted Answer

$2448:\left[119-\left(23-6\right)\right]$$=2448:\left[119-23+6\right]$$=2448:102$$=24$$\left[130-3\left(5.2^4-5^2.2\right)\right]:2^3$$=\left[130-3\left(5.16-25.2\right)\right]:8$$=\left[130-3\left(80-50\right)\right]:8$$=\left[130-3.30\right]:8$$=\left[130-90\right]:8$$=40:8=5$$5^3.52+5^3.7^2-5^3$$=5^3.52+5^3.49-5^3$$=5^3\left(52+49-1\right)$$=5^3.100$$=125.100=12500$$2^3.16-2^3.14+56$$=2^3.16-2^3.14+2^3.7$$=2^3\left(16-14+7\right)$$=2^3.9$$=8.9=72$Câu trả lời: $2448:\left[119-\left(23-6\right)\right]$$=2448:\left[119-23+6\right]$$=2448:102$$=24$$\left[130-3\left(5.2^4-5^2.2\right)\right]:2^3$$=\left[130-3\left(5.16-25.2\right)\right]:8$$=\left[130-3\left(80-50\right)\right]:8$$=\left[130-3.30\right]:8$$=\left[130-90\right]:8$$=40:8=5$$5^3.52+5^3.7^2-5^3$$=5^3.52+5^3.49-5^3$$=5^3\left(52+49-1\right)$$=5^3.100$$=125.100=12500$$2^3.16-2^3.14+56$$=2^3.16-2^3.14+2^3.7$$=2^3\left(16-14+7\right)$$=2^3.9$$=8.9=72$

a) 47 – [(45.2⁴ – 5².12):14]	a) 3.5² + 15.2² – 26:2
b) 50 – [(20 – 2³) : 2 + 34]	b) (- 25) . (- 4 ) + (- 70) . 3
c) 10² – [60 : (5⁶ : 5⁴ – 3.5)]	c) 6² : (- 9) - 50.2 – 3³.(- 3)
d) 50 – [(50 – 2³.5):2 + 3]	d) 3².(- 50) - 2³.10 – 81: (- 3)
e) 10 – [(8² – 48).5 + (2³.10 + 8)] : 28	e) 5¹³ : 5¹⁰ – 25.2²
f) 8697 – [3⁷ : 3⁵ + 2(13 – 3)]	f) 20 : 2² + 5⁹ : 5⁸
g) 2011 + 5[300 – (17 – 7)²]	g) 100 : 5² + 7.3²
h) 695 – [200 + (11 – 1)²]	h) 84 : 4 + 3⁹ : 3⁷ + 5⁰
i) 129 – 5[29 – (6 – 1)²]	i) 29 – [16 + 3.(51 – 49)]
j) 2010 – 2000 : [486 – 2(7² – 6)]	j) 5³.2 – 100 : 4 + 2³.5

Chúng tôi đề xuất

Tài nguyên

Ứng dụng mobile

Bảng xếp hạng

Các khóa học có thể bạn quan tâm

Yêu cầu VIP