0.38*102简算
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0.38*102简算
0.38*102简算
0.38*102简算
0.38*102
=0.38*(100+2)
=0.38*100+0.38*2
=38+0.76
=38.76
0.38*102
=0.38*(100+2)
=38+0.76
=38.76
0.38*102简算
0.38*102简算
0.38*102简算
0.38*102
=0.38*(100+2)
=0.38*100+0.38*2
=38+0.76
=38.76
0.38*102
=0.38*(100+2)
=38+0.76
=38.76