Toán Lớp 6: Tính : -47+(-20)+47+20
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Toán Lớp 6: Tính : -47+(-20)+47+20
Comments ( 2 )
-47+-20+47+20
⇒(-47+47)+(-20+20)
⇒0+0
⇒0
Chúc bạn học tốt!
giải thik:=(-47+47 )+( -20+20 )
= 0+0
=0