38+0.06=________；???（155+20）-65=________；??64.2+5.7=________；?????543-27-73=________；0.97-0.09=________；??12.8-9.86=________；?17.05-4.58=________；????9800÷25÷4=________；3.5+0.6=________；??????5-0.15=________；??????4.35+5.36=________；??????99×66+66=________；????0.81+0.09=________；?????0÷78=________；???????????50-20÷5=________；????????35×25×4=________．
网友回答
38.06 110 69.9 443 0.88 2.94 12.47 98 4.1 4.85 9.71 6600 0.9 0 46 3500
解析分析：依据整数，小数四则运算计算方法解答．
解答：38+0.06=38.06；???（155+20）-65=110；??64.2+5.7=69.9；?????543-27-73=443；0.97-0.09=0.88；??12.8-9.86=2.94；?17.05-4.58=12.47；????9800÷25÷4=98；3.5+0.6=4.1；??????5-0.15=4.85；??????4.35+5.36=9.71；??????99×66+66=6600；????0.81+0.09=0.9；?????0÷78=0；???????????50-20÷5=46；????????35×25×4=3500．
点评：本题主要考查学生对于整数、小数四则运算计算方法的掌握．