Question

A)15+[4+(7×3+1)]-3
B)(2+3)×(6-2)+4
C)72-8×7:(4-1×3)

Answer 1

A)15+[4+(21+1)]-3
15+[4+22]-3
15+26-3
15+23
38

B) (5)x(4)+4
20+4
24

C)72-56:(1)
16
Espero ter ajudado