укажите НОК (3;4) и вычислите: а)1/4 +1/3; б)1/4 - 1/3;
нок (3;4)=3*4=12
1/4+1/3=3/12+4/12=7/12
1/4-1/3=3/12-4/12=-1/12
нок(3,4)=12
а)3/12+4/12=7/12
б)3/12-4/12=-1/12
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нок (3;4)=3*4=12
1/4+1/3=3/12+4/12=7/12
1/4-1/3=3/12-4/12=-1/12
нок(3,4)=12
а)3/12+4/12=7/12
б)3/12-4/12=-1/12