Решити премеры по действиям даю 30 балов (2,23+6,47)/78= (6,51-4,16)/0,47= 7,28/(4,65-3,74)= 9,5/(3,54+1,46)= (6,25+0,18)*100= (9,07-3,91)*0,25= 7,74/5,16*10= 0,34*(27,17/4,18)=

(2,23+6,47)/78=0,112,23+6,47=8,7   ,  8,7:78=0,11 (6,51-4,16)/0,47=56,51-4,16=2,35,    2,35:0,47=5 7,28/(4,65-3,74)=84,65-3,74=0,91,    7,28:0,91=8 9,5/(3,54+1,46)=1,93,54+1,46=5,   9,5:5=1,9 (6,25+0,18)*100=6436,25+0,18=6,43,     6,43*100=643 (9,07-3,91)*0,25=1,299,07-3,91=5,16,    5,16*0,25=1,29 7,74/5,16*10=157,74:5,16=1,5,     1,5*10=15 0,34*(27,17/4,18)=2,21 27,17:4,18=6,5,     0,34*6,5=2,21