-1²-[2-(1-1/3×0.5)]×[3³÷(-3)²]
=-1-(2-1+1/6)×(-3)
=-1+3.5
=2.5
│-1/15│÷（2/3-1/5）-1/9×（-3）³
=1/15÷7/15+3
=1/7+3
=3又1/7
[11×2-│-3÷3│-（-3）²-3²]÷（3/2）³
=(22-1-9-9)÷27/8
=3×8/27
=8/9
1, ,-1²-[2-(1-1/3×0.5)]×[3³÷(-3)²]
=-1-(2-1+1/6)×3
=-13/2
2, 22/7
3, 8/9
1
-1²-[2-(1-1/3×0.5)]×[3³÷(-3)²]=-1-[2-(1-1/6)]×[27÷9]=-1-7/6×3=-1-3.5=-4.5
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