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计算(每题7分,共21分)
(1)|-2|-(-2.5)―|1-4|
(2)(-+-+)×(-24)
(3)-12-[1+(-12)÷6]2×(-)3
计算(每题7分,共21分)(1)|-2|-(-2.5)―|1-4| (2) (-+-+)×(-24) (3) -12-[1+(-12)÷6]2×(-)3
(2) (-+-+)×(-24)
(3) -12-[1+(-12)÷6]2×(-)3