=SUMPRODUCT(($K$5:$K$56>=VALUE(LEFT(B65,3)))*($K$5:$K$56<=VALUE(RIGHT(B65,3))))
Bạn dùng công thức này đi.
=SUMPRODUCT(($K$5:$K$56>=--LEFT(B65,3))*($K$5:$K$56<=--RIGHT(B65,3)))
=SUMPRODUCT(($M$5:$M$56>=VALUE(LEFT(B65,3)))*($M$5:$M$56<=VALUE(RIGHT(B65,3)))*($O$5:$O$56=2))