Toán Lớp 6: ( 39 – 19 ) : ( -2) + ( 34 – 22 ) . 5
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Toán Lớp 6: ( 39 – 19 ) : ( -2) + ( 34 – 22 ) . 5
Comments ( 2 )
= 20 : (-2) + 12 xx 5
= ( -10 ) + 60
= 50