如题所述
解ï¼è®¾è¿æ¥æ¢¨xåå
ã
3/4x+30=600
3/4x=600-30
3/4x=570
x=570é¤ä»¥3/4
x=570ä¹4/3
x=760
çï¼è¿æ¥æ¢¨760åå ã
3/4x+30=600
3/4x=600-30
3/4x=570
x=570é¤ä»¥3/4
x=570ä¹4/3
x=760
çï¼è¿æ¥æ¢¨760åå ã
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