Question

Решите, плз ФωФ

a) (-4,5)²/(-0,75)-3,4 = ?
б) (-4,4/(-2 1/5) - 3,2 ) = ?

Answer 1

а). -30.4
б). 7,2761904762

Answer 2

a) (-4,5)²/(-0,75)-3,4
(-9/2)^2/-0.75-3.4
81/4/-4.15
81/4/-83/20
-405/83
-4 73/83

б)----