化简 2(3+sqrt(6))

解答

化简

2 (3 + 6)

6 + 26

十进制

10.89897 \dots

求解步骤

2 (3 + 6)

使用分配律:

a (b + c) = ab + a c

2 (3 + 6) = 2 \cdot 3 + 26

= 2 \cdot 3 + 26

数字相乘:

2 \cdot 3 = 6

= 6 + 26

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