简便计算98乘64

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简便计算98乘64
x){ɾ/-|nœ3Llaiqx:iah`kA]# Pgdnd_\g̱03bY @l-P

简便计算98乘64
简便计算98乘64

简便计算98乘64
98×64
=(100-2)×64
=100×64-2×64
=6400-128
=6272

98x64=(100-2)x64=100x64-2x64=6400-128=6272