2/3×[(3/4—1/6)÷1/5] [16/5—(3/4+3/2)]×10/9
=2/3×[7/12 ×5] [16/5—10/4]×10/9
=(2/3×35/12) ×(7/10×10/9)
=35/18×7/9
=245/162
望采纳,若不懂,请追问.
2/3×[(3/4—1/6)÷1/5] [16/5—(3/4+3/2)]×10/9
=2/3×[7/12 ×5] [16/5—10/4]×10/9
=(2/3×35/12) ×(7/10×10/9)
=35/18×7/9
=245/162
望采纳,若不懂,请追问.