9.99×22.2+33.3×3.34 简便运算

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9.99×22.2+33.3×3.34 简便运算
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9.99×22.2+33.3×3.34 简便运算
9.99×22.2+33.3×3.34 简便运算

9.99×22.2+33.3×3.34 简便运算

3.33×3×22.2+33.3×3.34

=33.3*3*2.22+33.3*3.34
=33.3*6.66+33.6*3.34
=33.3*(6.66+3.34)
=33.3*10
=333
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用计算器啊傻逼

9.99*22.2+33.3*3.34
=(33.3×0.3)×22.2 +33.3×3.34
=33.3×(0.3×22.2) +33.3×3.34
=33.3×6.66+33.3×3.34
=33.3×(6.66+3.34)
=33.3×10
=333

0.3×33.3×22.2+33.3×3.34=33.3×(6.66+3.34)=