Toán Lớp 6: Bài 3 : Tính
a ) (43 – 13 ). (-3 )+ 27 .( -14 – 16 )
b )(-72 ).( 34 – 12 )- 34.( 12 – 72)
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Toán Lớp 6: Bài 3 : Tính
a ) (43 – 13 ). (-3 )+ 27 .( -14 – 16 )
b )(-72 ).( 34 – 12 )- 34.( 12 – 72)
Comments ( 2 )
a) =30.24.(-30)=-21600
B) =(-72).22-34.(-60)=-3624