Question

还有一个：19÷[(1\5+3\4)x5\6] 要求简算！！

Answer 1

15分之6

Answer 2

75分之4

Answer 3

峰峰

Answer 4

=2/5×1/3+2/3×2/5
=2/5×(1/3+2/3)
=2/5×1
=2/5
19÷(1/6+5/8)
=19

追答

=2/5×1/3+2/3×2/5
=2/5×(1/3+2/3)
=2/5×1
=2/5
19÷(1/6+5/8)
=19÷(4/24+15/24)
=19÷19/24
=19×24/19
=24

Answer 5

采纳

追答

2/5*1/3+2/3*2/5
=2/5*1/3+2/3
=2/5*1
=2/5