Question

ab-ba=36
va rogg rapid!!!
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Answer 1

Răspuns:

10a+b-10b+a=36

9a-9b=36=>9(a-b)=36=>a-b=36:9=>a-b=4

a=9 ->b=5

a=8 ->b=4

a=7 ->b=3

a=6 ->b=2

a=5 ->b=1

ab=95,84,73,62,51

ba=59,48,37,26,15

95-59=36

84-48=36

73-37=36

62-26=36

51-15=36

Answer 2

Explicație pas cu pas:

ab = 70

ba = 34

70 - 34 = 36

Raspunsul corect este 70 - 34 = 36