Помогите пж срочно
1.Выполните вычитание 1) -2/5-(-3/5) 2)-3/7-(+4/7)
2 . вычислите
1)-13-(20-32)
2)-4,5-(-7-9,5)
3)-5/8-(5/8-1)
1.Выполните вычитание 1) -2/5-(-3/5) 2)-3/7-(+4/7)
2 . вычислите
1)-13-(20-32)
2)-4,5-(-7-9,5)
3)-5/8-(5/8-1)
More Questions From This User See All
Answers & Comments
Verified answer
1) -2/5 -(-3/5) = -2/5 + 3/5 = 1/52) - 13 - (20 - 32) = -13 - 20 + 32 = - 1
3) - 4,5 - (-7 - 9,5) = - 4,5 + 7 + 9,5 = 12
4) - 5/8 - (5/8 - 1) = - 5/8 - 5/8 + 1 = - 10/8 + 1 = - 1 2/8 + 1 = - 2/8 = - 1/4