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230问答网 > 求2道数学题：（根号12+5倍根号8）乘根号3 3倍根号2（2倍根号12-4倍根号8分之1+3倍根号48。

求2道数学题：（根号12+5倍根号8）乘根号3 3倍根号2（2倍根号12-4倍根号8分之1+3倍根号48。

2025-01-04 14:07:50

推荐回答（2个）

回答1：

1. (√ 12+5√ 8)*33√ 2=2√ 3*33√ 2+10√ 2*33√ 2=66√ 6+6602. 2√ 12-4√ 1/8+3√ 48)=4√ 3-√ 2+13√ 3=17√ 3-√ 2

回答2：

(√12+5 √8)* 33√2=(2 √3+5*2 √2)*33 √2=2 √3*33 √2+10 √2*33 √2=66 √6+660 2√12-4 √1/8+3 √48=2*2 √3-4/4 √2+3*4 √3=4 √3- √2+12 √3=16 √3- √2

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