Question

Resolver los siguientes ejercicios combinados.
a) 22+3.5-14.2= 9
b) 5.2-4.2 +9.8=24
c) 12:2+1 + 100 : 20 = 12
d) 18 - 2.5+ 7.4
e) 2. 10 +3.5+2+3.0- 14.7=
f) 32 - 16:8 +5.6.0=
2) Resolver:
Oa) (9 + 5) + [2.(7-4) + (10-5): 5)] =
b) (80:8 +12):2-(42:21) + (105:15 - 4) + 4 +3.5 =
c) (126:21 + 5): 11 + 140:7-(75.15.2+ 12: 12 ) =
d) (12.15:18 +16+8.2.5)+ 66.5:3-(9.8:72)=
e) (14:2 - 9:3)+86:2+(4.9-3.6)-(5.3+10:5)=
f) 188:47 +(8,18-8.2)+1211: (8+6:2)-(24:8 +60: 12) =
g) 27+ {86 : [ 24 +(8.2 +3 )] + 25:5}-1.2-
h) {124 : 31.(81:(3.3)-16:2]+5} +66:11 =
​

Answer 1

Explicación paso a paso:

a. 22+15-28=9

9=9

b. 15-8+72=24

79=24

c.6+1+50=12

57=12

d. 18-10+28=

36

f.32-2+0=30