填相同的数 28× - ×16=7.2 ( +1.2× )×3=26填相同的数28× - ×16=7.2( +1.2× )×3=264 3.5×( -0.5)+0.5× =4.25
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![填相同的数 28× - ×16=7.2 ( +1.2× )×3=26填相同的数28× - ×16=7.2( +1.2× )×3=264 3.5×( -0.5)+0.5× =4.25](/uploads/image/z/2693389-13-9.jpg?t=%E5%A1%AB%E7%9B%B8%E5%90%8C%E7%9A%84%E6%95%B0+28%C3%97+%EF%BC%8D+%C3%9716%3D7.2+%EF%BC%88+%2B1.2%C3%97+%EF%BC%89%C3%973%3D26%E5%A1%AB%E7%9B%B8%E5%90%8C%E7%9A%84%E6%95%B028%C3%97+%EF%BC%8D+%C3%9716%3D7.2%EF%BC%88+%2B1.2%C3%97+%EF%BC%89%C3%973%3D264+3.5%C3%97%EF%BC%88+%EF%BC%8D0.5%EF%BC%89%2B0.5%C3%97+%3D4.25)
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