Question

thực hiện tính

16 .17 -5

16.16+11

Answer 1

Đặt A=\(\frac{16.17-5}{16.16+11}\)

\(\Rightarrow A=\frac{16.\left(16+1\right)-5}{16.16+11}\)

\(\Rightarrow A=\frac{16.16+16-5}{16.16+11}\)

\(\Rightarrow A=\frac{16.16+11}{16.16+11}\)

=> A=1

Answer 2

=278 nhé bạn

Answer 3

\(\frac{16.17-5}{16.16+11}=\frac{16.\left(16+1\right)-5}{16.16+11}=\frac{16.16+16-5}{16.16+11}=\frac{16.16+11}{16.16+11}=1\)

Answer 4

\(\frac{16.17-5}{16.16+11}\)= \(\frac{272-5}{256+11}\)=\(\frac{267}{267}\)= 1

Answer 5

a=1

tk nhe

xin