Răspuns:
Explicație pas cu pas:
2)
3/5*800=2400/5= 480
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3)
rezolvam prima data partea de sus :
⁽²,⁽⁵ = simplificari
= [ ( 4⁽²/5⁽⁵*5⁽⁵/6⁽²)² *9/5+3/5]*10-8
=(2/3)²*9/5+3/5]*10-8
= (4/9⁽⁹*9⁽⁹/5+3/5)*10-8
=(4/5+3/5)*10-8
=7/5⁽⁵*10⁽⁵-8
=7*2-8
=14-8
= 6
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a doua parte :
=(³⁾1/2-²⁾1/3)*15
=(3/6-2/6)*15
=1/6*15
=15/6
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6:15/6
= 6*6/15
=36⁽³/15⁽³
=12/5
