cu cât este egal 10-10÷{1+3×[(57-60÷4×2)÷3+210÷10=?

Răspuns :

10-10:{1+3×[(57-15×2)]:3+21}
10-10:{1+3×[(57-30)]:3+21}
10-10:{1+3×27:3+21}
10-10:{1+81:3+21}
10-10:{1+27+21}
10-10:49
10-4,9=5,1