A RECTANGULAR PLAYING FIELD THAT IS 20 METERS LONG AND 15 METERS W...

11. - ĐỀ THI TOÁN RSM VÀ IMC DÀNH CHO HỌC SINH LỚP 3 ĐẾN LỚP 8
Lớp 3 Toán ĐỀ THI TOÁN RSM VÀ IMC DÀNH CHO HỌC SINH LỚP 3 ĐẾN LỚP 8
11. A rectangular playing field that is 20 meters long and 15 meters wide was cleaned by 22 boys and 18 girls. The field was divided into equal parts for each child. What area of the field was cleaned by boys?