54y-36y-9=153, (15u-21)*3+27=234, (36t+98): 14=25, - вопрос №510805354369153152132723436981425123042621 от howl111 30.08.2020 05:49

Question

Математика: 54y-36y-9=153, (15u-21)*3+27=234, (36t+98): 14=25, (12u+30u+42): 6+21 решите

howl111 · Answer

54y-36y-9=15354y-36y=153+918y=162y=162/18y=9(15u-21)*3+27=23445u-63+27=23445u=234+63-2745u=270u=6(36t+98)/14=2536t+98=14*2536t+98=35036t=350-9836t=252t=352/36t=7(12u+30u+42)/6=2112u+30u+42=21*612u+30u+42=12612u+30u=126-4242u=84u=2...