2.64×0.9+0.264简便运算
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2.64×0.9+0.264简便运算2.64×0.9+0.264简便运算2.64×0.9+0.264简便运算=2.64×0.9+2.64×0.10.264×(9+1)=2.64=2.64×0.9+2.
2.64×0.9+0.264简便运算
2.64×0.9+0.264简便运算
2.64×0.9+0.264简便运算
=2.64×0.9+2.64×0.1
0.264×(9+1)=2.64
=2.64×0.9+2.64×0.1
=2.64×(0.9+0.1)
=2.64×1=2.64
=2.64ㄨ0.9十2.64X0.l
=2.64X(O.9+0.1)
=2.64
2.64乘以（0.9+0.1）
2.64×0.9+2.64×0.1=2.64×（0.9+0.1）=2.64