如题所述
答:62*(100+2)+52*(100+1)-48+99-38*(100-2)
=6200+124+5200+52-48+99-3800+76
=(6200+5200-3800)+(124+76)+50+2-(50-2)+(100-1)
=7600+200+4+100-1
=7903
哪里不明白可以追问,满意记得采纳哦
=6200+124+5200+52-48+99-3800+76
=(6200+5200-3800)+(124+76)+50+2-(50-2)+(100-1)
=7600+200+4+100-1
=7903
哪里不明白可以追问,满意记得采纳哦
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