Răspuns:
Ex:6
b) = 169+5{4+[40+8(2⁴•5²/10 -4-9)]•5}+11 =
= 169+5{4+[40+8(16•25/10 -4-9)]•5}+11 =
= 169+5{4+[40+8(8•25/5 -6-9)]•5}+11 =
= 169+5{4+[40+8(8•5-4-9)]•5}+11 =
= 169+5[4+(40+8•27)•5]+11 =
= 169+5[4+(40+216)•5]+11 =
= 169+5(4+256•5)+11 =
= 169+5(4+1280)+11 =
= 160+5•1284+11 =
= 169+6420+11 =
= 6600
EVERGREEN
Explicație pas cu pas:
/ - fractie
