Tính giá trị của A 12/13+12/131-12/1313+12/13131 A=————————————————– 15/13+15/131-15/1313+15/13131 08/10/2021 Bởi Lydia Tính giá trị của A 12/13+12/131-12/1313+12/13131 A=————————————————– 15/13+15/131-15/1313+15/13131
12/13+12/131-12/1313+12/13131 A=——————————————— 15/13+15/131-15/1313+15/13131 12. ( 1/13+1/131-1/1313+1/13131 ) =————————————————— 15.( 1/13 + 1/131- 1 /1313+1/13131 ) = 12/15 = 4/5 #notcopy #chuc hoc tot Bình luận
TL: A = 4/5 12/13+12/131-12/1313+12/13131 A=————————————————– 15/13+15/131-15/1313+15/13131 12. ( 1/13+1/131-1/1313+1/13131 ) =————————————————– 15.( 1/13 + 1/131- 1 /1313+1/13131 ) = 12/15 = 4/5 Bình luận
12/13+12/131-12/1313+12/13131
A=———————————————
15/13+15/131-15/1313+15/13131
12. ( 1/13+1/131-1/1313+1/13131 )
=—————————————————
15.( 1/13 + 1/131- 1 /1313+1/13131 )
= 12/15
= 4/5
#notcopy
#chuc hoc tot
TL:
A = 4/5
12/13+12/131-12/1313+12/13131
A=————————————————–
15/13+15/131-15/1313+15/13131
12. ( 1/13+1/131-1/1313+1/13131 )
=————————————————–
15.( 1/13 + 1/131- 1 /1313+1/13131 )
= 12/15 = 4/5