2.6×0.9+2.6+0.26×21简便运算
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2.6×0.9+2.6+0.26×21简便运算2.6×0.9+2.6+0.26×21简便运算2.6×0.9+2.6+0.26×21简便运算2.6×0.9+2.6+0.26×21=2.6×0.9+2.6
2.6×0.9+2.6+0.26×21简便运算
2.6×0.9+2.6+0.26×21简便运算
2.6×0.9+2.6+0.26×21简便运算
2.6×0.9+2.6+0.26×21
=2.6×0.9+2.6×1+2.6×2.1
=2.6×(0.9+1+2.1)
=10.4
2.6×0.9+2.6+0.26×21
=2.6×(0.9+1+2.1)
=2.6×4
=10.4
2.6×0.9+2.6+0.26×21=2.6×(0.9+1+2.1)=2.6×4=10.4
2.6×0.9+2.6+0.26×21简便运算
填单位2.6( )=0.26( )
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