Question

a) ( 75,6 – 21,7) : 4 + 22,82 x 2              b) 21,56 : ( 75,6 – 65,8 ) – 0,354 : 2

Answer 1

a, (75,6 - 21,7): 4 + 22,82\(\times\)2

= 53,9: 4 + 45,64

= 13,475 + 45,64

= 59,115

b, 21,56: ( 75,6 - 65,8) - 0,354:2

= 21,56: 9,8 - 0,177

= 2,2 - 0,177

=2,023