计算:(ab)的5次方÷(ab)³;(-3ac)(-8abd);(2a-1)(a-4)-(a+3)(a-1).
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计算:(ab)的5次方÷(ab)³;(-3ac)(-8abd);(2a-1)(a-4)-(a+3)(a-1).
计算:(ab)的5次方÷(ab)³;(-3ac)(-8abd);(2a-1)(a-4)-(a+3)(a-1).
计算:(ab)的5次方÷(ab)³;(-3ac)(-8abd);(2a-1)(a-4)-(a+3)(a-1).
(ab)的5次方÷(ab)³
=(ab)^(5-3)
=(ab)²
(-3ac)(-8abd)
=24a²bcd
(2a-1)(a-4)-(a+3)(a-1)
=2a²-9a+4-(a²+2a-3)
=a²-11a+7