1.(-3)+(+2) 2.(+2)+(+1/2) 3.(-1)+(-3) 4.(-17/2)+6 5.(-3.5)+0 6.(-1/10)+0.1 7.(-1/2)+(-1/4)以上答案按题号均等于多少?
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1.(-3)+(+2) 2.(+2)+(+1/2) 3.(-1)+(-3) 4.(-17/2)+6 5.(-3.5)+0 6.(-1/10)+0.1 7.(-1/2)+(-1/4)以上答案按题号均等于多少?
1.(-3)+(+2) 2.(+2)+(+1/2) 3.(-1)+(-3) 4.(-17/2)+6 5.(-3.5)+0 6.(-1/10)+0.1 7.(-1/2)+(-1/4)
以上答案按题号均等于多少?
1.(-3)+(+2) 2.(+2)+(+1/2) 3.(-1)+(-3) 4.(-17/2)+6 5.(-3.5)+0 6.(-1/10)+0.1 7.(-1/2)+(-1/4)以上答案按题号均等于多少?
1.-1 2.5/2 3.-4 4.-2 5.-2.9 6.0 7.-3/4
采纳哦
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