Matematică
georgiandreea15Geo
2015-11-14 20:21:54
4 si 5 va rog !!! Cat mai repede !! Ofer coroana cu conditia ca raspunsul sa aiba explicatie cu tot cu calcule!!!
Răspunsuri la întrebare
pantirbianca1
2015-11-15 00:57:37

[latex]4)a)\ 1^3=1,2^3=8,3^3=27,4^3=64\ 1+8+27+64=100\ b)\ 5^3=125,0^3=0,7^3=343\ 125+0+343=468\ c)\1^3+9^3+11^3=1+729+1331=2061\ d)\1^4+2^4+3^4+4^4=1+16+81+256=354\ 5)\a)\(F)\6^2+7^2=36+49=85\(6+7)^2=13^2=169\ b)\(F)\11^3-10^3=1331-1000=331\ (11-10)^3=1^3=1\ c)\(A)\3^2+4^2=9+16=25=5^2\d)\(F)\4^2+5^2=16+25=41\6^2=36\ e)\(A)\3^3+4^3+5^3=27+64+125=216=6^3\ f)\(A)\ 8^2-7^2=64-49=15\ (8-7)(8+7)=1cdot 15=15\ 15=15[/latex]

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