0.625-3.78+0.375-6.22的简便计算

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0.625-3.78+0.375-6.22的简便计算0.625-3.78+0.375-6.22的简便计算0.625-3.78+0.375-6.22的简便计算0.625-3.78+0.375-6.22=

0.625-3.78+0.375-6.22的简便计算
0.625-3.78+0.375-6.22的简便计算

0.625-3.78+0.375-6.22的简便计算
0.625-3.78+0.375-6.22
=0.625+0.375-(3.78+6.22)
=1-10
=-9

=(0.625+0.375)-(3.78+6.22)
=1-10
=-9

0.625+0.375=1
3.78+6.22=10
两者相减=-9