题目

填上“＞”、“＜”或“＝”。、 70+8070+60         5800–8006000–3000     130+70200+20700–90700–80      1200–2001000+200       500–50400+50100+50200–60       100–60100-70 答案：【1】＞【2】＞【3】＜【4】＜【5】＜【6】＜【7】＞【8】＞

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