2221÷2221又2221/2222=?(简便运算,怎样简便)

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2221÷2221又2221/2222=?(简便运算,怎样简便)2221÷2221又2221/2222=?(简便运算,怎样简便)2221÷2221又2221/2222=?(简便运算,怎样简便)2221

2221÷2221又2221/2222=?(简便运算,怎样简便)
2221÷2221又2221/2222=?(简便运算,怎样简便)

2221÷2221又2221/2222=?(简便运算,怎样简便)
2221÷2221又2221/2222
=2221÷(2221+2221/2222)
=2221÷[2221×(1+1/2222)]
=2221÷[2221×2223/2222]
=2221÷2221÷2223/2222
=1÷2223/2222
=2222/2223