T
You can make 24 4-digit numbers. 1111 2222 3333 4444 5555 6666 1234 2345 3456 1356 6543 5432 4321 1432 ok i give up!
(7777-6666)/1111 = 1 (4444+5555)/(9999/3333) = 3 8888/2222 = 4 4*3 + 1 =13
This is impossible. 21 is an odd number and all these digits are odd. Whenever you add 6 odd numbers together, the answer is always even!
9+9+9+9=36-5-5-5-5=16+3+3+3-3=22+1-1-1/1=21
T
5+5+5+1+1+4=21
9/3 + 9+ 5+ 3+ 1
You can make 24 4-digit numbers. 1111 2222 3333 4444 5555 6666 1234 2345 3456 1356 6543 5432 4321 1432 ok i give up!
0.5555 = 5555/10000 = 1111/2000
0.05555 = 5555/100000 = 1111/20000
9/3+9+5+3+1=21
1, 5, 11, 55, 101, 505, 1111, 5555.
(7777-6666)/1111 = 1 (4444+5555)/(9999/3333) = 3 8888/2222 = 4 4*3 + 1 =13
The factors of 5555 are 1, 5, 11, 55, 101, 505, 1111, and 5555. The prime factors of 5555 are 5, 11, and 101.
This is impossible. 21 is an odd number and all these digits are odd. Whenever you add 6 odd numbers together, the answer is always even!
9+9+9+9=36-5-5-5-5=16+3+3+3-3=22+1-1-1/1=21