Răspuns:
175/100 x 100/25 - 2(17 /4 - 225/100) =
175/ 25- 2( 17 x 25 - 9 x 25)/100 =
7 x 25/25 -( 2 x 8 x 25)/4x25 =
7 - 4 = 3
Explicație pas cu pas:
1,75:0,25-2(17/4-2,25)=3
175/100×100/25-2(17/4-225/100)=3
7-2(17/4-45/20)=3
7-2×40/20=3
7-2×2=3
7-4=3
3=3
