Toán Lớp 7: ????,????3=????8=????5 ????à 2????+3????−????=50 ????,????−3=????5 ????à ????2+????2=34
c, ????2=????5 ????à ????????=10 d,????+13=????+24=????+35????à ????+????+????=18
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Toán Lớp 7: ????,????3=????8=????5 ????à 2????+3????−????=50 ????,????−3=????5 ????à ????2+????2=34
c, ????2=????5 ????à ????????=10 d,????+13=????+24=????+35????à ????+????+????=18
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