Question

transforma exerciţiile dupa model: 300×40=3×100+4×10 500+50 600+20 200+70 800+60 300+50 ma ajutati varog frumos coroana

Answer 1

500 + 50 = 5 * 100 + 5*10
600 + 20 = 6*100 + 2 * 10
200 + 70 = 2 * 100 + 7 * 10
800 + 60 = 8 * 100 + 6 *10
300 + 50 = 3 * 100 + 5 * 10

Answer 2

 500+50= 5x100+5x10=550
 600+20=6x100+2x10=620
 200+70=2x100+7x10=270
 800+60=8x100+6x10=860
 300+50=3x100+5x10=350