计算题:1/6+1/24+1/60+1/40

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计算题:1/6+1/24+1/60+1/40计算题:1/6+1/24+1/60+1/40计算题:1/6+1/24+1/60+1/401/6+1/24+1/60+1/40=20/120+5/120+2/

计算题:1/6+1/24+1/60+1/40
计算题:1/6+1/24+1/60+1/40

计算题:1/6+1/24+1/60+1/40
1/6+1/24+1/60+1/40
= 20/120+5/120+2/120+3/120
=30/120=0.25
你先找出这几个分数的分母的最小公倍数,得出120(最小公倍数不会求可以问),然后再将这几个分数同化,得出第一个等式,然后再算就简单了,

1/6+1/24+1/60+1/40
=(20+5+2+3)/120
=30/120
=1/4

1/4

1/6+1/24+1/60+1/40
=4/24+1/24+2/120+3/120
=5/24+5/120
=5/24+1/24
=6/24
=1/4