Question

spune : cate cincimi are un intreg? cate zecimi au doua cincimi? cate sutimi sunt intr-o zecime? cate treimi au trei intregi ?cate doimi au patru doimi? DAU COROANA

Answer 1

1) a×1/5 = 1
a/5 = 1
a = 5 (cincimi)

2) 1/10×b = 2/5
b/10 = 2/5
b = 2×10/5 = 20/5 = 4 (zecimi)

3) 1/100×c = 1/10
c/100 = 1/10
c = 100/10
c = 10 (sutimi)

4) 1/3×d = 3
d/3 = 3
d = 3×3 = 9 ( treimi)

5) 1/2×e = 4/2
e/2 = 4/2
e = 2×4/2
e = 8/2 = 4 ( doimi )