Ответ:
1) ответ 3: 7/75
2) ответ 2: 7
3) ответ 1:
Объяснение:
1) 49/(5)^2 = 49/(5^2*()^2) = 49/(25*21) = (7*7)/(25*3*7) = 7/(25*3) = 7/75
2) (7^-11)^2/(7^-23) = 7^-22/7^-23 = 7^(-22-(-23) = 7^(-22+23) = 7
3) /7 = /7 = (*)/7 = 7*/7 =
1.
2.
3.
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Answers & Comments
Ответ:
1) ответ 3: 7/75
2) ответ 2: 7
3) ответ 1:
Объяснение:
1) 49/(5)^2 = 49/(5^2*()^2) = 49/(25*21) = (7*7)/(25*3*7) = 7/(25*3) = 7/75
2) (7^-11)^2/(7^-23) = 7^-22/7^-23 = 7^(-22-(-23) = 7^(-22+23) = 7
3) /7 = /7 = (*)/7 = 7*/7 =
1.
2.
3.