100 + 100 : 4 + 50 : 2
= 100 + 25 + 25
= 100 + ( 25 + 25 )
= 100 + 50
= 150
a, 100 + 100 : 4 + 50 : 2
= 100 + 25 + 25
= 100 + ( 25 + 25 )
= 100 + 50
= 150
a) 100 + 100 : 4 - 50 : 2
=100 + 25 - 25
=100 + ( 25 - 25 )
=100 + 0
=100
a) 100 + 100: 4 + 50:2
= 100 + 25 + 25
= 100 + ( 25 + 25 )
= 100 + 50
= 150.