Предмет: Математика, автор: nadi22091979

больше или меньше?1)27+8 и 27+18;34+9 и 24+9;2)42-5 и 32-5;84-7 и 94-47;найди значения выражений слева и справа в каждом неравенстве

Ответы

Автор ответа: юля2381

1)35 меньше ,чем 45; 43 равно 43; 2) 37 больше, чем 27; 77 больше, чем 47;

Автор ответа: Аноним

27+8 < 27+18
27+8=35 < 27+18=45
  35 < 45

34+9  > 24+9
34+9=43 >  24+9=33
43  > 33

42-5  > 32-5
42-5=37  > 32-5=27
37  > 27

84-7 >  94-47
84-7=77 > 94-47=47
77 >  47

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