Toán Lớp 6: Tính T = – 9 + (-2) – (-3) + (-8).
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Toán Lớp 6: Tính T = – 9 + (-2) – (-3) + (-8).
Comments ( 2 )
T = – 9 + (-2) – (-3) + (-8)
T = -11 + 3 + (-8)
T = -8 + (-8)
T = -16
T = – 9 + ( – 2 ) – ( – 3 ) + ( – 8 )
T = [ ( – 9 ) + 3 ] + [ ( – 2 ) + ( – 8 ) ]
T = – 6 + ( – 10 )
T = – 16
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