actividad 2 grado octavo
Activity in class : solve the following operations -120 + (-30) + [ -80 + (-120 / 4) ( -3) ]= · -24 – 30 [-20 + (-40) + (-10+ (-3) ) (-4)]= · -40 - (-20) (-5) + 8 – ( -7)= · -40 - 8-(-20 )/ (-10) + 4 = · -100 + (-120) [(-8 + 9 ) ( -20 – ( -4 ) ) ] Numbers sets: 1. Rational Numbers A Rational Number is a real number that can be written as a simple fraction (i.e. as a ratio ). Most numbers we use in everyday life are Rational Numbers. Example: 1,5 is a rational number because 1,5 = 3/2 (it can be written as a fraction) 2...