Решить а)(54*13/14)*7/13= в)(12/13*14/17)*(17/14*13/24)= - вопрос №980625413147131213141717141324212222232 от LORDI9999 14.07.2020 09:54

Question

Математика: Решить а)(54*13/14)*7/13= в)(12/13*14/17)*(17/14*13/24)= д)21/22*(22/23*24/25)*23/24= г)(2/3*4/5)*(3/4*5)*(6/7*8/9)*(7/8*9/10)=

LORDI9999 · Answer

а)(54*13/14)*7/13=702/13*7/13=4914/169=29 1/13 в)(12/13*14/17)*(17/14*13/24)=168/221*221/336=168/336=1/2 д)21/22*(22/23*24/25)*23/24=21/25 г)(2/3*4/5)*(3/4*5)*(6/7*8/9)*(7/8*9/10)=12/10=1 1/5...