解:1/3×1/8×3×8等于( 1 ) ∵已知需求出1/3×1/8×3×8等于多少 ∴1/3 × 1/8 × 3 × 8 = 1/3 × 3 × 1/8 × 8 = (1/3 × 3)× (1/8 × 8) = 1 × 1 = 1 答:1/3×1/8×3×8等于1
(1/3×3)×(1/8×8)=1×1=1