a³·a^4·a+(a²)^4+（-2a^4）²
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a³·a^4·a+(a²)^4+（-2a^4）²a³·a^4·a+(a²)^4+（-2a^4）²a³·a^4·a+(a²
a³·a^4·a+(a²)^4+（-2a^4）²
a³·a^4·a+(a²)^4+（-2a^4）²
a³·a^4·a+(a²)^4+（-2a^4）²
a³·a^4·a+(a²)^4+（-2a^4）²
=a^8+ a^8+4a^8
=6a^8
a³·a^4·a＋﹙a²）^4＋﹙﹣2a^4)²
＝a^8＋a^8＋4a^8
＝6a^8.
a^3·a^4·a+(a^2)^4+(-2a^4)^2
=a^8+a^8+4a^8
=6a^8