Question

calcule as expressões a) (6+3×10)÷15-3)×6
b) (18+3.2)÷8+5.3)÷6
c) 1×(1×7)-16÷(1+3)
d) 7×(9+5)-12÷(4+2)​

Answer 1

b)(18+3.2)÷8+5.3÷6
21.2÷8+5.3÷6
2.65+5.3÷6
7.95÷6
1.325
c) 1×(1×7)-16÷(1+3)
1×7-16÷4
7-16÷4
9÷4
2.25

Answer 2

A) (6+3×10)÷(15-3)×6

90÷12×6

7,5×6

=45

B)(18+3×2)÷(8+5×3)÷6

24÷23

1,043÷6

=0,33

C)1÷(1×7)-16÷(1+3)

1×7-5,3

7-5,3

=1,7

D)7×(9+5)-12÷(4+2)

7×14-2

98-2

=96