Question

1- arme e efetue

a) 2/3+5/7=

b)7/8-2/5=

c)3/5×3/7=

d)3/8:1/3=​



helpp

Answer 1

a) (5 7) (9 4)
(6 -2) + (5 8)
R=(14 11)
(11 6)
b) [0 -1] [0 2]
[11 17] [4 1]
[2 5] + [-3 4]
R=[0 1]
[15 18]
[-1 9]
c) (1 5 0 4) - ( 6 6 8 7)
R=(-5 1 -8 -4)
d) [ 1 1 1 ] [0 3 -2]
[ 0 1 2 ] - [-1 -2 -5]
[ 4 -1 1 ] [-3 -2 -7]
[ 2 3 4 ] [2 1 3]
[1 2 -3]
[-1 -3 -7]
[7 -3 -8]
[0 2 1]