﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1

﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1
﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1

﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1
= -8÷（-9/4）×1/9 - 32/81+1
= -8×（-4/9）×1/9 - 32/81+1
= 32/81 - 32/81+1
=1

-8÷（-9/4）×1/9-32/81+1
32/9×1/9-32/81+1
1

原式=-8x4/9x1/9-32/81+1=32/81-32/81+81/81=1

﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1
=-8÷-4/9×1/9-32/81+1
=-8×-9/4×1/9-32/81+1
=18×1/9-32/81+1
=2-32/81+1
=3-32/81
=2又81分之49
望楼主采纳

1

﹣2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1
=-8÷-9/4×1/9-32/81+1
=-8×-4/9×1/9-32/81+1
=32/81-32/81+1
=0+1
=1

-2³÷﹙﹣2－¼﹚×﹙﹣1/3﹚²－32/81＋1
=-8÷（-2¼）×1/9+49/81
=-8×（-4/9）×1/9+49/81
=-8×（-4/81）+49/81
=-32/81+49/81
=1