Question

Escreva As expressões numericas e determine seus valores
A-) 7-2×3
B-) (7-2)×3
C-) 8-7×3
D 8-(7+1)
E-

Answer 1

A = 7-2x3 =  7-6 = 1
B = (7-2)x3 = 5x3 = 15
C = 8-7x3 = 8-21 = -13
D = 8-(7+1) = 8-8 = 0

Answer 2

A) 7-2x3
7-6
1
B) (7-2)x3
5x3
15
C) 8-7x3
8-21
-29
D)8-(7+1)
8-8
0