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30-8x4
30-32
-2
b) (25-5)÷4+(16-4)×2
20÷4+12×2
5+24
29
c) (9-5)×4+(16-4)÷3
4×4+12÷3
16+4
20
d) ( 19-7-5)×6-(20-12)×3
7×6-8×3
42-24
12
saludos ^-^
38 - ( 8 ) x 4 =
38 - 32 = 6
B) ( 25 - 5 ) : 4 + ( 16 - 4 ) x 2 =
20 : 4 + ( 12 ) x 2 =
5 + 24 = 29
C) ( 9 - 5 ) x 4 + ( 16 - 4 ) : 3 =
4 x 4 + (12) : 3 =
16 + 4 = 20
D) ( 19 - 7 - 5 ) x 6 - ( 20 - 12 ) x 3 =
7 x 6 - ( 8 ) x 3 =
42 - 24 = 18