Question

204+[100-3×(40-28:x)]×27×16-12×18-11


metoda mersului invers va rog!
dau coroana.​

Answer 1

Răspuns:

204+[100-3x(40-28:x)]x27x16x18-11=

204+(100-120-84:x)x27x16x18=11

204+(-20-84:x)x27×16=11/18

204-20-84:x x 27=11/18x16

184-84:x x 27=88/9

184-84:x=88/9 x 27

184-84:x=264-184

-84:x=80

-84=80x

80x=-84 :80

x=1.05