Question

34.31+34.89+66:45

 

Answer 1

  34.31+34.89+66:45

=34.(31+89)+66:45

=34.120+66:45

=4080+\(\frac{22}{15}\)

=\(\frac{61222}{15}\)

Answer 2

=4081,455557

Answer 3

34 . ( 31 + 89 ) + 66 : 45

34 .120 +66 : 45

( 34 + 66 ) .120 : 45

100 . 120 : 45

12000 : 45

=còn lại tự tính