Temat:Dodawanie i odejmowanie ułamków o jednakowych mianownikach.
2 5/8+7/8=
13/16 ile dodać żeby wynik wynosił 2 2/16
25/8 +7/8 = 32/8= 4
13/16 + _?_ =22/16
x=22/16 - 13/16
x=6/16
13/16 + 6/16 = 22/16
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25/8 +7/8 = 32/8= 4
13/16 + _?_ =22/16
x=22/16 - 13/16
x=6/16
13/16 + 6/16 = 22/16