计算:(1)(-9)-(+10)-(+2)-(-8)(2)(?8.4)+112+(?25)+(?0.3)+235(3)(-5.3)+(-3.2)-(-2
计算:(1)(-9)-(+10)-(+2)-(-8)(2)(?8.4)+112+(?25)+(?0.3)+235(3)(-5.3)+(-3.2)-(-2.5)-(+4.8...
计算:(1)(-9)-(+10)-(+2)-(-8)(2)(?8.4)+112+(?25)+(?0.3)+235(3)(-5.3)+(-3.2)-(-2.5)-(+4.8)(4)12+(-3)-(+15)-(-4)(5)?13+34?56?12(6)(+713)+(+17)+(?113)?(+7)?(?213)+(?713).
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