
9.5+4.85-6.13简便算法
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解:原式=(10-0.5)+(5-0.15)-(6+0.13)
=10-0.5+5-0.15-6-0.13
=10+5-0.5-0.15-6-0.13
=10+5-(0.5+0.15+6+0.13)
=15-6.78
=8.22
=10-0.5+5-0.15-6-0.13
=10+5-0.5-0.15-6-0.13
=10+5-(0.5+0.15+6+0.13)
=15-6.78
=8.22
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