作业帮(1/2-1/3) (1/4-1/5) (1/7-1/10) (1/14-1/15) (1/28 1/30)怎么算
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/01 12:46:09
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(1/2-1/3) (1/4-1/5) (1/7-1/10) (1/14-1/15) (1/28 1/30)怎么算
(1/2-1/3) (1/4-1/5) (1/7-1/10) (1/14-1/15) (1/28 1/30)怎么算
(1/2-1/3) (1/4-1/5) (1/7-1/10) (1/14-1/15) (1/28 1/30)怎么算
原式=1/2×1/3×1/4×3×1/7×1/10×1/14×1/15×2×1/28×1/30=1/49392000