Toán Lớp 6: Bài 1.
a
(..8)+(..3)=11
b.(..5)+(..9)=-14
c)(.. 7)+(…- 5) =..12
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Toán Lớp 6: Bài 1.
a
(..8)+(..3)=11
b.(..5)+(..9)=-14
c)(.. 7)+(…- 5) =..12
Comments ( 2 )
a, (+8)+(+3)=11
b,(-5)+(-9)=-14
c,(-7)+5=(-12)
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