Помогите плиз!!Вычислите применяя переместительное и сочетательное свойства - №27451247

Помогите плиз!!Вычислите применяя переместительное и сочетательное свойства сложения
1) 4/9+1 2/3+2 5/9+1/3
2)1 3/10+1/4+2 7/10+3/4
- Предмет:
  Математика
- Автор:
  amelia11
- 5 лет назад

Ответы 1

1) 1+1=2 получится2)2+1=3вот
- Автор:
  jacintocarr
- 5 лет назад
- 0
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A blue uniform,red trunks,red boots,and a long,flowing cape. Tall,strong,invincible. Kind,smart,just!Faster than a speeding bullet!More powerful than a train!Able to leap from building to building in a single bound!That's Super,our most favourite superhero!
Superman 'was born' in 1933. His real 'parents' were high shcool students Jerry Siegel and Joe Shuster from Cleveland,Ohio. Jerry and Joe were rather shy and unpopular at school,so they made up a superhero to live a life of fantasy through him!
As the story goes,Superman came from dying planet Krypton. His parents sent him to Earth in a rocket in order to save him. The rocket landed in Kansas near a town called Smallville. A couple of farmers found the boy, adopted him and named him Clark. As Clark grew older, he gained strenght from the Sun. By the time he was an adult he was abult he was able he was able to fly, fire heat vision from his eyes and see through walls. From that point,he was Superman
Superman is a symbol of the American dream. He is a man who tries hard and succeeds. He is also a classical hero who fights criminals and rescues the helpless. He is the superhero we all know and love!
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