On simplifying 4√5+2√20, we get
Simplify : [{(−5)5×(−5)−10}÷25]×105 [4 MARKS]
Simplify:
(1) 2+(−4)−(+3)
(2) −5+4−(−2)
(3) 10+(−5)−(−4)
(4) 12−(+6)+(−3)
(5) −15+(−4)−(+3)