Q: How do you make 20 using 1 2 3 and 4?

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4^2 +1+3 = 20

20/2 = 10 10/2 = 5 5/5 = 1 20 = 2*2*5

gandu ....20+20+20+20+5+5+5+2+2+1

20 (10x.1=1, 20x.1=2)

you can make them all using 1, 1-1=0 1=1 1+1=2 1+1+1=3 etc.

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20 + 5 + 2 and two 1 cents will make 29 Euro cents.20 + 5 + 2 and two 1 cents will make 29 Euro cents.20 + 5 + 2 and two 1 cents will make 29 Euro cents.20 + 5 + 2 and two 1 cents will make 29 Euro cents.

19.9999...

- 1 + 2 + 3 + 4*5 + 76 = -1 + 5 + 20 + 76 = 4 + 20 + 76 = 100

20 = (3 + 2) x (4 x 1) = 5 x 4

2^2 x 5^1

There are 12 ways to make change for a 50 dollar bill using 5, 10's and 20's. $20's $10's $5's 2 1 0 2 0 2 1 3 0 1 2 2 1 1 4 1 0 6 0 5 0 0 4 2 0 3 4 0 2 6 0 1 8 0 0 10

2 ones i think.... 50, 10, 10 ,10, 10, 10 or 20, 20, 20, 20, 10, 10

(2(4 + 1) - 3)

first make the 20 a fraction 20/1 divided by 2/3 then flip the fraction making it 20/1 *3/2 = 60/2 or 30/1 or 30

20/2 = 10 10/2 = 5 5/5 = 1 20 = 2*2*5

-4 x 5 = -20 and -4 + 5 = 1.

2+3=5... 5x4=20... 20+1=21 !