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5 supra 8 minus 1 supra 8 inpartit la 3 supra 4

Răspuns :

5/8-1/8÷3/4=5/8-(8se reduce cu4)-1/2×1/3=5/8- (facem 1×1=1 si 2×3=6) -1/6=4/2 sau 11/24