0.5乘以括号8.55×6点15括号除以0.25怎么简便计算
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0.5×（8.55×6.15）÷0.25
=（0.5÷0.25）×8.55×6.15
=（2×6.15）×8.55
=12.3×8.55
=10×8.55+2×8.55+0.3×8.55
=85.5+17.1+2.565
=102.6+2.565
=105.165
=（0.5÷0.25）×8.55×6.15
=（2×6.15）×8.55
=12.3×8.55
=10×8.55+2×8.55+0.3×8.55
=85.5+17.1+2.565
=102.6+2.565
=105.165
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