(8+2/3)*6 1/3*5/12+3/1*1/4 用简便方法计算 急用!

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(8+2/3)*6 1/3*5/12+3/1*1/4 用简便方法计算 急用!

(8+2/3)*6
=8×6+2/3×6
=48+4
=52
1/3*5/12+1/3*1/4
=1/3(5/12+3/12)
=1/3×2/3
=2/9