Question

Bài 1
A)1/4×11/17-27,75+0,25×6/17
B)0,3+15/23+17/11-(6/11-8/23)-(-1,7)

gấp nha hứa k

Answer 1

a: \(=\dfrac{1}{4}\left(\dfrac{11}{17}+\dfrac{6}{17}\right)-27.75=0.25-27.75=-27.5\)

b: \(=\dfrac{3}{10}+\dfrac{15}{23}+\dfrac{17}{11}-\dfrac{6}{11}+\dfrac{8}{23}+\dfrac{17}{10}\)

=2+1+1

=4

Answer 2

A) ... = \(\dfrac{11}{68}-27,75+\dfrac{3}{34}\)  = \(\dfrac{1}{4}-27,75=-27,5\)

B) ... = \(0,3+1+1+1,7=4\)