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16.3减16.3除2= 用简便计算,怎么做?
16.3减16.3除2= 用简便计算,怎么做?
人气:147 ℃ 时间:2020-04-13 02:36:06
解答
16.3-16.3÷2
=16.3×1-16.3×1/2
=16.3×(1-1/2)
=16.3×1/2
=8.15���У�101��2.8=�ü�����101��2.8=��100+1��x2.8=100x2.8+1x2.8=280+2.8=282.8
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