42×(52+576÷32)
=42×(52+18×32÷32)
=42×(52+18)
=42×70
=2940
猜你喜欢
- 1选出下列划线部分发音不同的单词
- 2he is always 〔 〕 〔 〕 other people first
- 3三字经从人之初到宜先知的意思
- 4the room that there is a machine in is a workshop
- 5找规律填数,0.1.3.8.21.().144,按什么规律填的?
- 6What kind of ( )would you like,noodles or dumplings?
- 7氢氧化镁和氯化氢反应化学式
- 8把We watch TV on sunday They go to schhl every day.改趁否定,一般疑问句
- 9生物圈中的碳-氧平衡是大气中的_和_的含量保持_的状态.
- 10四年级口算除法课应该怎么上?