การบวกจำนวนเต็ม Question Preview (ID: 51442)


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

-3+5
a) 2
b) 8
c) -8
d) -2

-7+5
a) 2
b) -2
c) 12
d) -12

-8+4
a) 12
b) -12
c) -4
d) 4

-3+10
a) 7
b) -7
c) 13
d) -13

-6+10
a) 4
b) 16
c) -16
d) -4

-10+6
a) 4
b) -4
c) 16
d) -16

-2+8
a) 6
b) -6
c) 10
d) -10

-12+20
a) -32
b) 32
c) 8
d) -8

-20+5
a) -15
b) 15
c) 25
d) -25

-10+10
a) -20
b) -100
c) 0
d) -10

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