4530×1.9+53×276+370×90+34×453+5300×1.71.
解:根据题意可得:
4530×1.9+53×276+370×90+34×453+5300×1.71,
=453×19+53×276+370×90+34×453+53×171,
=453×(19+34)+53×(276+171)+370×90,
=453×53+53×447+370×90,
=53×(453+447)+370×90,
=53×900+37×900,
=900×(53+37),
=900×90
五一期间刚到深圳的小明在哥哥的陪伴下,打算上午从莲山春早、侨城锦绣、深南溢彩中随机选择一个景点,下午从梧桐烟云、梅沙踏浪、一街两制中随机选择一个景点,小明恰好上午选中莲山春早,下午选中梅沙踏浪的概率是( )
She was really u____ about the way her father treated her.
巴黎公社的伟大创举主要表现在( )