Question

a)Tinh nham bang cach nhan thua so nay ,chia thua so kia cho cung mot so thich hop :

14 . 50    ;      16 . 25

b)Tinh nham bang cach nhan ca so bi chia va so chia voi cung mot so thich hop :

2100 : 50 ;     1400 : 25

Answer 1

a) 14.50 = (14:2).(50.2) = 7.100 = 700

16.25 = (16:4).(25.4) = 4.100 = 400

b) 2100:50 = (2100.2):(50.2) = 4200:100 = 42

1400:25 = (1400.4):(25.4) = 5600:100 = 56