Phép nhân (THCS KS2)

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 6

Diệt chuột (THCS KS2)

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 4

Đếm (THCS KS2)

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 6

Đếm cặp (THCS KS2)

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 4