-4(pq+pr)+(4pq+pr)怎样化简

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-4(pq+pr)+(4pq+pr)怎样化简-4(pq+pr)+(4pq+pr)怎样化简-4(pq+pr)+(4pq+pr)怎样化简-4(pq+pr)+(4pq+pr)原式=-4pq-4pr+4pq+

-4(pq+pr)+(4pq+pr)怎样化简
-4(pq+pr)+(4pq+pr)怎样化简

-4(pq+pr)+(4pq+pr)怎样化简
-4(pq+pr)+(4pq+pr)
原式=-4pq-4pr+4pq+pr
=(4pq-4pq)+(4pr-pr)
=0+3pr
=3pr
哈哈哈

原式=-4pq-4pr+4pq+pr=-3pr

等于-4pr-4pr+4pq+pr等于(4pq-4pq)+(4pr-pr)等于3pr