চতুর্থ শ্রেনি
গণিত_৪র্থ শ্রেণি
${this.likeCountWithMsg}
${this.viewCountWithMsg}
${this.downloadCountWithMsg}
${this.likeCount}
${this.viewCount}
${this.downloadCount}
${this.fileSizeWithMsg}
${this.fileSize}MB