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3,5³;0,04³;1,29³;3,07³;2,08³ : Efectuati

Răspuns :

3,5^3=42,875
0,04^3=0,000064
1,29^3=2,146689
3,07^3=28,934443
2,08^3=8,998912
3,5^3=
=(35/10)^3= {simplifici 35 si 10 cu 5}
=(7/2)^3=
=343/8 (sau daca le imparti, 42.875)

0,04 la 3=
=(4/100)^3= {simplifici 4 si 100 cu 4}
=(1/25)^3=
=1/15624 (sau daca le imparti, 0.000064}

1,29^3=
=(129/100)^3=
=129^3/100^3=
=2.146689

3,07^3=
=(307/100)^3=
=307^3/100^3=
=28.934443

2,08^3=
=(208/100)^3= {simplifici 208 si 200 cu 4}
=(52/25)^3=
=52^3/15625=
=8.998912