Question

XFA ayudenme , si? porfiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Answer 1

A= 12/21 -3/7

A = 84-63/147

A= 21/147 (sacamos veintiunava)

A = 1/7 rpta

B = 3/22 + 3/11

B=33+66/242

B = 99/242 (sacamos onceaba)

B = 9/22

Espero haberte ayudado