谁会数学巧算？我给他采纳！
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2.05÷0.82+1.55
=2.5+1.55
=4.05
10.7-2.9×0.2÷0.58
=10.7-0.58÷0.58
=10.7-1
=9.7
24.64÷3.08÷0.8
=24.64÷0.8÷3.08
=30.8÷3.08
=10
0.9×（5.2-0.7）÷0.15
=0.9×4.5÷0.15
=0.9×30
=27
6.6÷[14.5-(1.7+1.8)]
=6.6÷(14.5-3.5)
=6.6÷11
=0.6
101÷[(100.1-99.09)×10]
=101÷[(100+0.1-100+0.91)x10]
=101÷(1.01x10)
=101÷10.1
=10
=2.5+1.55
=4.05
10.7-2.9×0.2÷0.58
=10.7-0.58÷0.58
=10.7-1
=9.7
24.64÷3.08÷0.8
=24.64÷0.8÷3.08
=30.8÷3.08
=10
0.9×（5.2-0.7）÷0.15
=0.9×4.5÷0.15
=0.9×30
=27
6.6÷[14.5-(1.7+1.8)]
=6.6÷(14.5-3.5)
=6.6÷11
=0.6
101÷[(100.1-99.09)×10]
=101÷[(100+0.1-100+0.91)x10]
=101÷(1.01x10)
=101÷10.1
=10
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