n 153 grazie
5a-(2b+a) 5a-2b-a 4a-2b 4*3-2*2=8
@pier_effe 👍👌
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$a=3; b=2;$
$5a-(2b+a)=$
$=5·3-(2·2+3)=$
$= 15-(4+3)=$
$= 15-7=$
$=8$
@gramor 👍👌👍
1) (5+4)/(5-4) = 9
2) (8+6)/(8-6) = 7
1) 2*5*3^2 = 90
2) 2*2^1 = 4
1) (5-4)^2*(5^2-4^2-2) = 1*(25-16-2) = 7
2) (6-3)^2*(6^2-3^2-2) = 9*25 = 225
2*3/(3-1) = 6/2 = 3
(5*3)-(2*2+3) = 15-7 = 8
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