✨ Best Answer ✨
x+y=2xy になるから
4x-3xy+4y
=4(x+y)-3xy
=4×2xy-3xy
=8xy-3xy
=5xy
だから、
与式=5xy/2xy=5/2
✨ Best Answer ✨
x+y=2xy になるから
4x-3xy+4y
=4(x+y)-3xy
=4×2xy-3xy
=8xy-3xy
=5xy
だから、
与式=5xy/2xy=5/2
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