If only Basic Operators are allowed then:
(44-4)/4
If square root is allowed, then:
4/sqrt(4)+4+4
or
4*4-4-sqrt(4)
If factorial is allowed, then you can also:
4!-4/4*sqrt(4)
or
4!/4+sqrt(4)+sqrt(4)
or
4!-4*4-sqrt(4)
etc.
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There are several ways of making 10 using four fours. Amongst them are the following: (44 - 4)/4 = 10 44 / 4.4 = 10 4 + sqrt(4) + sqrt(4) + sqrt(4) = 10
(4x4)-(4+4sqr) (4x4)=16 (4+4sqr)=6 16-6=10
4 times 4 minus 4 minus square root of 4.
4+4(4-4)
(4*4)-(4/4)