maths
posted by shelby .
Using the digits 1, 2, 3 & 4 each once only, and as many +, , x, / and brackets as you need, try to make as many different numbers as you can, starting at 0, 1, 2 ....
Which is the first number that you cannot make?
My answer is 3.
Which is the largest number you can make?
My answer is 36.
How many different ways can you make 10?
My answer is 3.
Please can you check the following:
(3+2)41=0
(1+4)32=0
(21)x(43)=1
(43)+21=2
(4x2)31=4
(4x2)x13=5
(4/1)/2x3=6
(4+3)+21=8
(4x3)21=9
(3+2)+4+1=10
(4x2)+31=10
(1+4)+3+2=10
(4x2)+3+1=12
(2+1)x3+4=13
(4x3)x2+1=25
(2x3)x4+1=25
(1+2)x3x4=36
(2+1)x3x4=36
I have been unable to make 3, 7 & 11.

maths 
Anonymous
3=1.5 7=3.5 11=5.5

maths 
shelby
we can only use the numbers 1, 2 3 & 4 once. (not allowed to use any other numbers, 0.5 etc.)

maths 
please help shelby
the answer anonymous gave although kind is in correct please can someone else help. many thanks
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