[CHUYÊN ĐỀ ĐẶC BIỆT - TOÁN 12] CHƯƠNG 1- BÀI 4: BÀI TOÁN DOANH THU, CHI PHÍ, LỢI NHUẬN (PHẦN 1)

00:00 Introduction to the common features of the lesson 02:09 Type 1: Finding max, min when a function is given 22:25 Type 2: Revenue, cost, profit problems 45:54 With tax element 1:11:18 With time element 1:22:37 With tax and export elements 1:34:07 Type 3: Discount, increase customers #math12 #thatdehoctoan #practicalmath #functions #education 🌿Learning math is easy with Mr. Duc Winner of the first prize in the Faculty of Mathematics Education and English Mathematics Education Teaching Competition Master's degree in Mathematics at Hanoi University of Education Makes difficult problems more accessible, everyone can learn math well 🌿Teaching online + offline in Bach Mai, Hanoi. 🌿Register for XPS 12 (2009) class via Zalo: 0394518999 and fanpage/tiktok: Thật Dễ Học Toán (It's Really Easy to Learn Math) 🌿Tuition fees are currently discounted by 80% when registering during the summer.