从178起连续三个奇数是：____，____，____．
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
6.5+5=____
3.7+7.3=____
1﹣0.58=____
0.9﹣0.5=____
1.62+0.38=____
7+0.3=____
5﹣0.2=____
8.1+1.9﹣6=____
2.3+0.7=____
0.26﹣0.14=____
0.25﹣0.15=____
3﹣2.8﹣0.2=____
