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Three multiple choice questions in sixth grade mathematics
It should be1÷ (0 of1-65438+3).

Is c wrong?

The perimeter ratio is equal to the radius ratio

So it is also six times.

Choose C.

B is 1.

Then a is/kloc-0 /× (1+1/6) = 7/6.

C is1÷ (1-1/6) = 6/5.

Seven sixths is less than six fifths.

So c is fast.

Choose C.