Realiza las siguientes operaciones paso a paso tomando en cuenta la jerarquía de operaciones:
a) 23 + 12 – 16 ÷ 8 + 12 x 5 – 14 =
b) 125 ÷ 5 x 3 – 900 ÷ 15 + 20 =
c) 350 – 16 x 5 ÷ 20 – 15 x 10 =
d) 26 x 3 – 12 ÷ 4 + 51 – 120 =
e) 314 – 18 x 15 – 20 x 5 ÷ 4 x 20 + 50 =
f) [(120 + 30) ÷ 3] – [(50 x 8) ÷ 2] + 280 =
g) [(16 – 4) x 12] – {[(5 + 4) x (6 – 2)] ÷ 6} – 15 =
h) {[(25 + 32 – 7) ÷ 5] x 8} – {[(30 + 10) ÷ 2] x 3} =
i) [(375 ÷ 15) + (8 x 9)] – [(95 – 43) – 23] =
j) [(3250 ÷ 50) – 20] + {78 – [(340 ÷ 17) x 3]} =
a) 23 + 12 – 16 ÷ 8 + 12 x 5 – 14 =
b) 125 ÷ 5 x 3 – 900 ÷ 15 + 20 =
c) 350 – 16 x 5 ÷ 20 – 15 x 10 =
d) 26 x 3 – 12 ÷ 4 + 51 – 120 =
e) 314 – 18 x 15 – 20 x 5 ÷ 4 x 20 + 50 =
f) [(120 + 30) ÷ 3] – [(50 x 8) ÷ 2] + 280 =
g) [(16 – 4) x 12] – {[(5 + 4) x (6 – 2)] ÷ 6} – 15 =
h) {[(25 + 32 – 7) ÷ 5] x 8} – {[(30 + 10) ÷ 2] x 3} =
i) [(375 ÷ 15) + (8 x 9)] – [(95 – 43) – 23] =
j) [(3250 ÷ 50) – 20] + {78 – [(340 ÷ 17) x 3]} =
A) 23+12-2+12x5-14
23+12-2+60-14
35-2+46
33+46
79
B) 25x3-60+20
75-60+20
15+20
35
C)350-16x0,25-15x10
350-4-150
196
D) 26x3-3+51-120
78-3+51-120
75-69
6
E) 314-18x5-20x1,25x20+50
314-90-25x20+50
314-90-500+50
224-450
-226
F) [150÷3] - [400÷2] +280
50-200+280
130
G) [12x12] - {[9x4] ÷6}-15
24- {36÷6} -15
25-6-15
4
H) {[50÷5]×8} - {[40÷2]x3}
{10x8} - {20x3}
80-60
20
I) [25+72] - [52-23]
97-29
68
J) [65-20] + {78 - [20x3]}
44 + {78-60}
33+18
51