There are 67 English books

12 + 7 = ....

• twenty

• nineteen

• eighteen

• seventeen

72 in English is ....

• seven two

• seventy nine

• seventeen two

• seventy two

21 + 29 = ....

• fifty

• forty eight

• twenty five

• fifteen

34 + 12 = ....

• forty eight

• forty six

• forty two

• forty

63 - 41 ^{= ....}

• thirty two

• twenty

• twenty two

• one hundred and two

Fourteen plus six is ....

• twenty

• twenty one

• forty six

• forty four

Thirty minus twenty is ....

• ten

• twenty

• fifty

• thirty

Forty minus two is ....

• forty two

• thirty eight

• fifty

• fifty two

Forty minus two is ....

• forty two

• thirty eight

• fifty

• fifty two

One hundred minus forty five is ....

• sixty five

• forty five

• fifty five

• twenty five