Question

calculati:
a)7-9
b)6-10
c)1-11
d)7-23
e)8-21
f)1-23
g)-7-10
h)-4-10
i)-2-18
j)-6-26
k)0-9
l)0-23

Answer 1

a ) 7 - 9 = -2

b ) 6 - 10 = -4

c ) 1 - 11 = -10

d ) 7 - 23 = - 16

e ) 8 - 21 = -13

f ) 1 - 23 = -22

g ) -7-10 =

= -7-10

= - 17

h ) -4-10 =

= - ( 4 + 10 )

= -14

i ) -2-18 =

= - ( 2 + 18 )

= - 20

j ) -6-26 =

= - ( 6 + 26 )

= -32

k ) 0 - 9 = - 9

l ) 0 - 23 = - 23

Answer 2

a) -2

b) -4

c) -10

d) -17

e) -13

f) -22

g) -17

h) -14

i)-20

j) -32

k) -9

l) -23