Câu hỏi của Quỳnh anh Vũ

Question

Vanh Nek · Accepted Answer

a)$(-34)-(-12)=(-34)+12=-22$$45-80=-35$$(-20).3-20=-60-20=-80$$(-24):(-2)-1=12-1=11$b)$12-(-2).5+6
=12+2.5+6
=12+10+6
=22+6
=28$Câu trả lời: a)$(-34)-(-12)=(-34)+12=-22$$45-80=-35$$(-20).3-20=-60-20=-80$$(-24):(-2)-1=12-1=11$b)$12-(-2).5+6
=12+2.5+6
=12+10+6
=22+6
=28$

minh · Answer

a)(−34)−(−12)=(−34)+12=−22(−34)−(−12)=(−34)+12=−2245−80=−3545−80=−35(−20).3−20=−60−20=−80(−20).3−20=−60−20=−80(−24):(−2)−1=12−1=11(−24):(−2)−1=12−1=11b)12−(−2).5+6=12+2.5+6=12+10+6=22+6=28Câu trả lời: a)(−34)−(−12)=(−34)+12=−22(−34)−(−12)=(−34)+12=−2245−80=−3545−80=−35(−20).3−20=−60−20=−80(−20).3−20=−60−20=−80(−24):(−2)−1=12−1=11(−24):(−2)−1=12−1=11b)12−(−2).5+6=12+2.5+6=12+10+6=22+6=28

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