Объяснение:
19m(19m+19)−(19m−19)(19+19m)=(19+19m)((19m-(19m−19))=(19+19m)(19m-19m+19)=(19+19m)·19=19(1+m)·19=19²(1+m)
19²(1+m)=19²(1+4,4)=361·5,4=1941,4
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Объяснение:
19m(19m+19)−(19m−19)(19+19m)=(19+19m)((19m-(19m−19))=(19+19m)(19m-19m+19)=(19+19m)·19=19(1+m)·19=19²(1+m)
19²(1+m)=19²(1+4,4)=361·5,4=1941,4
Лвььвьвьвььвьвьвротит