(-1,25-(6,5-(1,5+(-2 1/3+3 12/7)

Question

(-1,25-(6,5-(1,5+(-2 1/3+3 12/7)

Answer 1

(-1,25-(6,5-(1,5+(-2 1/3+3 12/7) =
(-1.25-6.5+(1.5+(-2 1/3 +3 12/7))) =
-1.25-6.5+1.5-2 1/3 + 3 12/7 =
-6.25 - 2 1/3 + 3 12/7 =
-25/4 -7/3 + 33/7 =
-25*21 - 7*28 + 33*12/84 =
-325/84 =
-3 73/84

Comments

спасибо