Упростите выражения
а) 6*3*к б) 8*р*21 в) r*14*17
6*3*k=18k
8*p*21=168p
t*14*17=238t
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а)6*3*к=(6*3)*к=18*к;б)8*р*21=(8*21)*р=168*р;в)r*14*17=(14*17)*r=238*r.
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6*3*k=18k
8*p*21=168p
t*14*17=238t
==============================
а)6*3*к=(6*3)*к=18*к;б)8*р*21=(8*21)*р=168*р;в)r*14*17=(14*17)*r=238*r.