Question

4/15÷﹙13/9-2/3×5/6﹚×5/6

Answer 1

你好;

4/15÷﹙13/9-2/3×5/6﹚×5/6
=4/15÷﹙13/9-5/9﹚×5/6
=4/15÷8/9×5/6
=4/15x9/8x5/6
=3/10x5/6
=1/4

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Answer 2

4/15÷﹙13/9-2/3×5/6﹚×5/6
=4/15÷﹙13/9-5/9﹚×5/6
=4/15÷4/5×5/6
=4/15×5/4×5/6
=1/3×5/6
=5/18

不懂可追问，有帮助请采纳，谢谢！

Answer 3

4/15÷（13/9-2/3×5/6）×5/6
＝4/15÷（13/9-5/9）×5/6
＝4/15÷8/9×5/6
＝4/15×9/8×5/6
＝1/4

Answer 4

1/4