20/37X9/29+9/37X17/29=?简算

来源：学生作业帮助网编辑：作业帮时间：2024/04/28 17:18:44

20/37X9/29+9/37X17/29=?简算
20/37X9/29+9/37X17/29=?简算

20/37X9/29+9/37X17/29=?简算
20/37X9/29+9/37X17/29
=20/37X9/29+17/37X9/29
=(20/37+17/37)X9/29
=1X9/29
=9/29