17/15-(7/15+2/5)等于多少,用分数表示是:
17/15-(7/15+2/5)
=17/15-7/15-2/5
=10/15-2/5
=10/15-6/15
=4/15
答案是17/15-(7/15+2/5)计算结果等于4/15。
17/15-(7/15+2/5)
=17/15-7/15-2/5
=10/15-6/15
=4/15
希望能帮到你!
解:原式=17/15-7/15-2/5
=10/15-2/5
=10/15-6/15
=4/15
17/15-(7/15+2/5)
=17/15-7/15-2/5
=10/15-6/15
=4/15
=17/15-7/15-2/5
=10/15-2/5
=4/15