Question

Efetue as operações

a) 3/4 + 2-5/3
b) 25/11 x 44/15 x 9/2

Answer 1

a)3/4+2-5/3=
9/12+24/12-20/12=
33/12-20/12=13/12

b)25/11×44/15×9/2=
1100/165×9/2=
9900/330= ÷330 os dois fica 30.