【简答题】(0.12+0.23+0.34)×(0.23+0.34+0.45)-(0.12+0.23+0.34+0.45)×(0.23+0.34)=______.
【单选题】. When talking about his road to success in an interview, he owed his success ______ his mother.
【简答题】电池片焊接中电烙铁的温度应控制在 ________________ 。
【简答题】(1+0.12+0.23)×(0.12+0.23+0.34)-(1+0.12+0.23+0.34)×(0.12+0.23)=______.