3.45×3.6+0.345×64(用简便方法计算)

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3.45×3.6+0.345×64(用简便方法计算)3.45×3.6+0.345×64(用简便方法计算)3.45×3.6+0.345×64(用简便方法计算)3.45×3.6+0.345×64=0.34

3.45×3.6+0.345×64(用简便方法计算)
3.45×3.6+0.345×64(用简便方法计算)

3.45×3.6+0.345×64(用简便方法计算)
3.45×3.6+0.345×64
=0.345x10x3.6+0.345×64
=0.345×(36+64)
=0.345x100
=34.5