Question

10/11 + 9/10 ( tên đề bài tính ) rõ ràng nha 

Answer 1

10/11 + 9/10=100/110+99/110=199/110

Answer 2

10/11 + 9/10= 199/110

Answer 3

\(\dfrac{10}{11}+\dfrac{9}{10}=\dfrac{100}{110}+\dfrac{99}{110}=\dfrac{100+99}{110}=\dfrac{199}{110}\)

Answer 4

10/11 + 9/10 = 100/110 + 99/110 = 209/110

Answer 5

10/11 + 9/10=100/110+99/110=199/110

Answer 6

\(\dfrac{10}{11}+\dfrac{9}{10}=\dfrac{100}{110}+\dfrac{99}{110}=\dfrac{100+99}{110}=\dfrac{199}{110}nha\)

Answer 7

10/11 + 9/10= 199/110