计算(1)(-7)+(+15)-(-25)(2)(-3)×(-9)-(-5)(3)?24×(34?56+712)(4)1÷(-3)×(-1
计算(1)(-7)+(+15)-(-25)(2)(-3)×(-9)-(-5)(3)?24×(34?56+712)(4)1÷(-3)×(-13)(5)(?3)2?(?112...
计算(1)(-7)+(+15)-(-25)(2)(-3)×(-9)-(-5)(3)?24×(34?56+712)(4)1÷(-3)×(-13)(5)(?3)2?(?112)3×29?6÷(?23)2(6)(?3)2?[(?23)+(?14)]÷112.
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