September 2018 1 109 Report
1. Escribe paréntesis en el lugar que corresponda para obtener el resultado dado :
a. 15 - 6 x 4 - 12 = -72

b. 8 + 7 - 4 - 9 - 12 = 32

c. 6 x 14 - 4 - 17 - 8 = 51

d. 35 - 10 - 15 - 3 - 20 + 7 = 0

e. 21 - 35 ÷ 5 + 6 x 9 - 4 = 46

f. -65 - 28 - 13 - 56 ÷ 8 = -87

g. -21 + 9 ÷ 5 + 4 x 8 + 6 = 41

h. -18 ÷ 3 + 5 - 12 x 4 - 30 - 5 = -59
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