October 2018 1 22 Report

kolejnośc wykonywania działań

oblicz:

a)13x55-13x45=(.....-.....)=13x....=......

b)56x92+56x8=56x(......+.....)=56x.....=.....

c)23x25+23x75=.....x(......+......)=.....x.....=.....

d)63:7-35:7=(.....-.....):.....=.....:.....=......


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