การลบจำนวนเต็ม Question Preview (ID: 56924)


Mathematics. TEACHERS: click here for quick copy question ID numbers.

8 - 24
a) -16
b) 16
c) 32
d) -32

-24-5
a) 19
b) -19
c) -29
d) 29

12 - (-5)
a) -7
b) 7
c) -17
d) 17

-20-(-8)
a) -12
b) 12
c) 28
d) -28

-5-(-15)
a) -10
b) 10
c) 20
d) -20

8-(-12)
a) 20
b) -20
c) -4
d) 4

15-20
a) 5
b) 10
c) -10
d) -5

-16 - 8
a) -24
b) 24
c) 8
d) -8

32-36
a) 68
b) -68
c) -4
d) 4

12-(-4)
a) 16
b) -16
c) 8
d) -8

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