化简:2根号a的平方b×3根号b分之a除以b(a大于0,b≥0),其中a=1,b=4
化简:2根号a的平方b×3根号b分之a除以b(a大于0,b≥0),其中a=1,b=4
数学人气:774 ℃时间:2019-10-26 11:32:07
优质解答
2√a²b×3√a/b÷b
=2a√b×(3√a)/b
=2×1×√4×3×√1/4
=3
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