Question

Напишите в рамочке один из знаков так, чтобы была верной каждая запись а) 1/5 _ 3/5 1/2 _ 3/4 7/15 _ 2/5 2/9 _ 6/27 b) 3/5 _ 21/40 7/12 _ 39/48 1/17 _ 3/51 3/8 _ 5/6 v) 1/7 _ 1/15 5/13 _ 5/11 17/40 _ 17/21 5/11 _ 5/18 g) 2 _ 4/2 5/18 _ 7/15 1 _ 3/3 3 _ 7/7

Answer 1

Поочередно:
a)<, < , >, =,
b) >, <, =, <,
v) >, <, <, >,
g) =, <, =, >,

Answer 2

a) 1/5 + 3/5 = 4/5 1/2 + 3/4 = 5/4 7/15 + 2/5 = 41/75 2/9 + 6/27 = 1/3

b) 3/5 + 21/40 = 81/100 7/12 + 39/48 = 31/32 1/17 + 3/51 = 7/51 3/8 + 5/6 = 41/48

v) 1/7 + 1/15 = 16/105 5/13 + 5/11 = 1 17/40 + 17/21 = 31/21 5/11 + 5/18 = 49/66

g) 2 + 4/2 = 4 5/18 + 7/15 = 59/90 1 + 3/3 = 4 7/7 = 1