
计算:①(a4)2÷a5=______;②2ab3?a2b=______;③4x3y2÷(-2x2y2)=______;④(4x3-3x2+2x)÷2x=__
计算:①(a4)2÷a5=______;②2ab3?a2b=______;③4x3y2÷(-2x2y2)=______;④(4x3-3x2+2x)÷2x=______....
计算:①(a4)2÷a5=______;②2ab3?a2b=______;③4x3y2÷(-2x2y2)=______;④(4x3-3x2+2x)÷2x=______.
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