Em đang sử dụng công thức này để tính toán nhưng nó quá dài gây tốn dung lượng, không biết có cách nào để rút gọn công thức này được không, hay có thể sử dụng phương pháp nào thay thế không? Em cám ơn.
=SUMPRODUCT(--('[Mau thong ke1.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke1.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke1.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke2.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke2.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke2.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke3.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke3.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke3.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke4.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke4.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke4.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke5.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke5.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke5.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke6.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke6.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke6.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke7.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke7.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke7.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke8.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke8.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke8.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke9.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke9.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke9.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke11.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke11.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke11.xls]THA'!$BK$10:$BK$456)
=SUMPRODUCT(--('[Mau thong ke1.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke1.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke1.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke2.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke2.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke2.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke3.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke3.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke3.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke4.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke4.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke4.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke5.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke5.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke5.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke6.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke6.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke6.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke7.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke7.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke7.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke8.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke8.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke8.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke9.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke9.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke9.xls]THA'!$BK$10:$BK$456)+SUMPRODUCT(--('[Mau thong ke11.xls]THA'!$C$10:$C$456="DS");--('[Mau thong ke11.xls]THA'!$B$10:$B$456="CĐ");'[Mau thong ke11.xls]THA'!$BK$10:$BK$456)
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