Question

efectua las siguientes operaciones a) 26+ {7-2+[7-(5+3-4)]}

b) 37- {5+[(12-4) - (8-3)+(5-2)]}

c) 47-[(5+3)-(4-2)+3]+{12-[(5+1)-(9-7)]}

d) (8-6) • 3+2 • (5-2)+(7-3)• 4 - 3 • (12-9)

e) (5• 4 • 8 • 7) • 3

f) (10-7) • 4-3 • (5+3)+7 • ( 6-4 )
​

Answer 1

a) 26+{7-2+[7-4]}

26+{7-2+3}

26+8

34

b)37-{5+[8-5+3]}

37-{5+6}

37-11

26

c)47-[8-2+3]+{12-[6-2]}

47-9+{12-4}

47-9+8

46

d)2×3+2×3+4×4-3×3

6+6+16-9

19

e)1120×3

3360

f)3×4-3×8+7×2

12+24+14

50