Question

Exercițiul 4 vă rog frumos!!

Answer 1

a) 60 × 15%=60×15/100=9
b) 40 × 0,25%=40×25/10000=0,1
c) 390×50/13 %=390×50/1300=15
d)7000 ×35%=7000×35/100=2450
e)44×2 1/2 %=44×5/2 %=44×5/200=1,1
f)100×2,5%=100×25/1000=2,5

Answer 2

a) 15%×60=15/100×60 =9.
b)  0,25%×40=25/10000×40=0,1.
c) 50/13 %×390=50/1300×390=15..
d) 35%×7000=35/100×7000=2450...
e) 2 1/2 %×44=5/2 %44=5/200×44=1,1..............
f)2,5%×100=25/1000×100=2,5...............
difinitiea; a‰ din b=a supra 100×b...........