Question

60:10+4×4-54:6= , 9×8-21:3-81:9= , 90-(5×7-14:2)= , 26+(5×8-63:7+9×8-100)= ,6×4+9×5-12:6= .

Answer 1

a) 6+16-9=13....b)72-7-9=56....c)90-28=62...d)26+3=29...e)24+45-2=67

Answer 2

a)60:10+4×4-54:6=

=6+16-9

=13

b)9×8-21:3-81:9=

=72-7-9

=56

c)90-(5×7-14:2)

=90-(35-7)

=90-28

=62

d)26+(5×8-63:7+9×8-100)

=26+(40-9+72-100)

=26+3

=29

e)6×4+9×5-12:6=

=24+45-2

=69-2

=67