1)(130,2-30,8):2,8-21,84=99.4/2.8-21.84=35.5-21.84=13.66
2)8,16:(1,32+3,48)-0,345 =8.16/4.8-0.345=1.7-0.345=1.355
3) 3,4712:(7-3,8)+1,3*(2,74+0,66)= 3.4712/3.2+1.3*3.4=1.08475+4.42=5.50475
1)(130.2-30.8):2.8-21.84=13.66
2)8.16:(1.32+3.48)-0.345=1.355
3)3.4712:(7-3.8)+1.3*(2.74+0.66)=1.08475+4.42=9.92475
