0.26x5.5十2.6x0.45怎样简便计算?
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0.26x5.5十2.6x0.45=2.6*0.55+2.6*0.45=2.6*(0.55+0.45)=2.6
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展开全部
0.26x5.5十2.6x0.45
=0.26x5.5十0.26x4.5
=0.26×(5.5+4.5)
=0.26×10
=2.6
或
0.26x5.5十2.6x0.45
=2.6×0.55+2.6×0.45
=2.6×(5.5+4.5)
=2.6×1
=2.6
=0.26x5.5十0.26x4.5
=0.26×(5.5+4.5)
=0.26×10
=2.6
或
0.26x5.5十2.6x0.45
=2.6×0.55+2.6×0.45
=2.6×(5.5+4.5)
=2.6×1
=2.6
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