20×12×5 + 20×6×5 = 20×5×(12+6) = 100 × 18 = 1800 м^3
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
20×12×5 + 20×6×5 = 20×5×(12+6) = 100 × 18 = 1800 м^3
丶÷丿/x*我的✋不我的就❤我在想念我