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2个回答
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脱式计算:
15-4.8-3.73
=10.2-3.73
=6.47
47.5-12.3+0.65
=35.2+0.65
=35.85
8.47-1.47+12.58
=7+12.58
=19.58
15-4.8-3.73
=10.2-3.73
=6.47
47.5-12.3+0.65
=35.2+0.65
=35.85
8.47-1.47+12.58
=7+12.58
=19.58
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