计算下面各题(用递等式,简便运算!!!!!)
9.5-4.8+6.3520.17-(8.5+4.7)48.2-7.54+6.812.54+(3.26-19.17)-4.83================...
9.5-4.8+6.35 20.17-(8.5+4.7) 48.2-7.54+6.8 12.54+(3.26-19.17)-4.83
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9.5-4.8+6.35
=(9.5+6.35)-4.8
=15.85-4.8
=11.05
20.17-(8.5+4.7)
=20.17-8.5-4.7
=11.67-4.7
=6.97
48.2-7.54+6.8
=(48.2+6.8)-7.54
=55-7.54
=47.46
12.54+(3.26-19.17)-4.83
=12.54+3.26-19.17-4.83
=(12.54+3.26)-(19.17+4.83)
=16-24
=-8
=(9.5+6.35)-4.8
=15.85-4.8
=11.05
20.17-(8.5+4.7)
=20.17-8.5-4.7
=11.67-4.7
=6.97
48.2-7.54+6.8
=(48.2+6.8)-7.54
=55-7.54
=47.46
12.54+(3.26-19.17)-4.83
=12.54+3.26-19.17-4.83
=(12.54+3.26)-(19.17+4.83)
=16-24
=-8
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