sapiens videre
DESCRIPTION
ejercicios mate 8ºTRANSCRIPT
+ (3) + (+2) = +3+2 = +5
+ (3) + (+2) = +3+2 = +5
+ (3) + (-2) = +3 2 = +1
+ (3) (+2) = +3 2 = +1
+ (3) (-2) = +3 + 2 = +5Ejercicios
3 (+2) +5 7 = 3 2 + 5 7 =
= 3+5 - 7-2
= +8 9
= -1
-9 3 + (-4) (-7)= -9 3 4 + 7
= (-9 -3 -4) - +7
= -16 +7
= -9
- (-3) +(+2) (+5) (-6)= +3 + 2 5 + 6= +11 5 = +6
1+ (8 1 - 5) (3 -10)
1+ 8 1 5 3 + 101+ 8 + 10 1 5 3+19 9 = +10
10 [ ( 6 8 ) (4 7)]=
10 [6 - 8 4 + 7]=
10 6 + 8 + 4 7=10+ 8 + 4 7 6 =
+22 13 = +9
(2 + 2 + 2) * (1 + 1 + 1)
6 * 3 = +18
a) 6 + - 7 (- 8) + 4 2 =
6 + - 7 8 + 4 2=
6-7 + 8 + 4 -2 =
6+8+4-2-7=
18-9=+9