[A*2]*[B/2]=A*2*B*(1/2)=A*B*2*(1/2)=A*B=C
[A/2]*[B/3]=A*(1/2)*B*(1/3)=A*B*(1/2)*(1/3)=A*B*(1/6)=C/6
A*[B/2]=A*B*(1/2)=C/2
小学4年级数学如果A乘B====C.那么 [A*2]*[B/2]=['''''''''] [A/2]*[B/3]=['''''''''] A*[B/2]===['''''
小学4年级数学如果A乘B====C.那么 [A*2]*[B/2]=['''''''''] [A/2]*[B/3]=['''''''''] A*[B/2]===['''''
其他人气:737 ℃时间:2020-05-11 16:24:15
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