How to make 24 with 1,1,3,9

Use 4 numbers with + - × ÷ () to get 24

1,1,3,9

Time: 00:00

Small numbers, big puzzles — practice mental arithmetic with 24 game

Make 24 with 1,1,3,9

copy answer:(1+1)*(3+9)

copy answer:3*(9-1*1)

copy answer:3*(9-1/1)

copy answer:1*3*(9-1)

copy answer:(9-1)/(1/3)

copy answer:3*1*9-1

copy answer:3/1*(9-1)

copy answer:3/(1/(9-1))

copy answer:3*(9-1)/1

copy answer:3*9/1-1

You get four random numbers. Use + - × / and parentheses to compute exactly 24. Each number must be used exactly once.