222*333+111+334,怎样简便? 99*97+9.9*30 ,怎样简便?
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![222*333+111+334,怎样简便? 99*97+9.9*30 ,怎样简便?](/uploads/image/z/142738-34-8.jpg?t=222%2A333%2B111%2B334%2C%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%3F+99%2A97%2B9.9%2A30+%2C%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%3F)
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222*333+111+334,怎样简便? 99*97+9.9*30 ,怎样简便?
222*333+111+334,怎样简便? 99*97+9.9*30 ,怎样简便?
222*333+111+334,怎样简便? 99*97+9.9*30 ,怎样简便?
222*333+111*334
=111*666+111*334
=111*(666+334)
=111*1000
=111000
99*97+9.9*30
=99*97+99*3
=99*(97+3)
=99*100
=9900
222*333+111+334应该是222*333+111*334吧?
222*333+111*334
=111*666+111*334
=111(666+334)
=111*1000
=111000
99*97+9.9*30
=99*97+99*3
=99(97+3)
=99*100
=9900
第一个打错没啊 就知道第二个 9.9*970+9.9*30=9900