Question

{[(7×3-5)+2×6]÷7+210÷35}÷10+9
[265-(50÷25+2)×65]×2-(100÷25+5)
[(450-20×15)×16+2800+8×9]÷659-84÷7÷3
[)300÷15-82÷41)÷6+(3+3×3)×5]÷9+3
110÷{75÷15+50+7[(1×90÷30)÷2-2]}

Answer 1

{[(7×3-5)+2×6]÷7+210÷35}÷10+9[265-(50÷25+2)×65]×2-(100÷25+5)[(450-20×15)×16+2800+8×9]÷659-84÷7÷3[(300÷15-82÷41)÷6+(3+3×3)×5]÷9+3110÷{75÷15+50+7[{1×90÷30)÷2-2]}=
{[(21-5)+2×6]÷7+210÷35}÷10+9[265-(2+2)×65]×2-(4+5)[(450-300)×16+2800+8×9]÷659-84÷7÷3[(20-2)÷6+(3+9)×5]÷9+3110÷{75÷15+50+7[(90÷30)÷2-2]}=
{[16+12]÷7+210÷35}÷10+9[265-4×65]×2-9[150×16+2800+72]÷659-12÷3[18÷6+12×5]÷9+3110÷{75÷15+50+7[3÷2-2]}=
{28÷7+6}÷10+9[265-260]×2-9[2400+2800+72]÷659-84÷7÷3[3+60]÷9+3110÷{5+50+7[ si de aici numai da , cred ca ai gresit cum ai scris exercitiul.uita.te mai bine.