Выполните децствие (1,25плюс 1/6)x2,4
1. 1,25+1/6=1и25/100+1/6=1и1/4+1/6=5/4+1/6=17/12 2. 17/12*2,4=17/12*2и2/5=17/12*12/5=17/5=3и2/5=3,4