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Bitcaalex
a fost răspuns

a) 55supra44+111supra666-7777supra8888-33333supra99999=
b)1212supra2424+363636supra727272-121121supra363363=

Răspuns :

CarMina03
55/44+111/666-7777/8888-33333/99999=5/4+1/6-7/8-3/9=18*5/72+12/72-7*9/72-3*8/72=40/72+12/72-63/72-24/72=-35/72



b)1212/2424+363636/727272-121121/363363=1/2+1/2-1/3=2/2-1/3=1-1/3=3/3-1/3=2/3

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