六年级简便计算题55*(1/33-1/44)

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六年级简便计算题55*(1/33-1/44)
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六年级简便计算题55*(1/33-1/44)
六年级简便计算题55*(1/33-1/44)

六年级简便计算题55*(1/33-1/44)
55*(1/33-1/44)
=5*11*[1/(3*11)-1/(4*11)]
=5*(1/3-1/4)
=5*1/12
=5/12

55*(1/33-1/44)=5*(1/3-1/4)=5/12

55×(1/33-1/44)
=55×1/11×(1/3-1/4)
=5×1/12
=5/12

55*(1/33-1/44)
= 55*1/11*(1/3-1/4)
= 5*1/12
= 5/12

先把55乘进去、然后约分得 5/3-5/4 然后通分 20/12-15/12=5/12

55*(1/33-1/44)
=5*11*[1/(3*11)-1/(4*11)]
=5*(1/3-1/4)
=5*1/12
=5/12

55*(1/33-1/44)
=55*1/33-55*1/44
=5/3-5/4
=5/12 我也是六年级刚毕业,希望我的答案能对你有所帮助O(∩_∩)O~