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a fost răspuns

simplificati inainte de a efectua adunarea:
30supra45 +98supra50+21supra35.
45supra480+55supra264+49supra112.
7supra10+5supra100+12supra80.
15supra75|+35supra25+24supra40.
4supra6+ 24supra36+16supra24.
ajutatima va rog!

Răspuns :

Renatemambouko
30/45 +98/50+21/35=2/3+49/25+3/5=(50+147+45)/25=242/75

45/480+55/264+49/112=3/32+5/24+7/16= (9+20+42)/96=71/96

7/10+5/100+12/80=7/10+1/20+3/20=(14+1+3)/20=18/20=9/10

15/75|+35/25+24/40=1/5+7/5+3/5=11/5
4/6+ 24/36+16/24=2/3+2/3+2/3=6/3=2

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