更新时间2018-03-06 19:59:34
-10+8÷﹙-2﹚³-﹙-4﹚×﹙-3﹚²
=-10+8÷﹙-8﹚+4×9
=-10-1+36
=25
﹙-1﹚³-﹙1-1/2﹚÷3×[2-﹙-3﹚²]
=-1-1/2×1/3×[2-9]
=-1-1/6×﹙-7﹚
=-1+7/6
=1/6
3a-2b-5a-b
=﹙3a-5a﹚+﹙-2b-b﹚
=-2a-3b
2x²-y-x²+5y
=﹙2x²-x²﹚+﹙5y-y﹚
=x²+4y
5x²y+xy²-3x²y-7xy²
=﹙5x²y-3x²y﹚+﹙xy²-7xy²﹚
=2x²y-6xy²
p²+3pq+6-8p²+pq
=﹙p²-8p²﹚+﹙3pq+pq﹚+6
=-7p²+4pq+6
请出题人给图片吧,没图片我们无法解决。
没有图片怎么解决
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