简便运算666.666666.7+9999922.222

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简便运算666.66*6666.7+99999*22.222简便运算666.66*6666.7+99999*22.222简便运算666.66*6666.7+99999*22.222666.66×666

简便运算666.66*6666.7+99999*22.222
简便运算666.66*6666.7+99999*22.222

简便运算666.66*6666.7+99999*22.222
666.66×6666.7+99999×22.222
=666.66×6666.7-22.222+100000*22.222
=30*22.222*6666.7-22.222+100000*22.222
=30*6666.7*22.222-22.222+100000*22.222
=(200001-1)*22.222+100000*22.222
=300000*22.222
=6666600

简便运算666.66*6666.7+99999*22.222 99*26简便运算简便运算 2.73×99 0.79×99简便运算 27×99简便运算 219*99简便运算 99×41简便运算 71*99 简便运算高手来简便运算 99*47+99简便运算 99*99有木有简便运算? 99*58+58 简便运算简便运算3.78×99+3.78 99×4.3 的简便运算 3.73*99简便运算急简便运算:56.5*99 56. 99×52怎样简便运算? 79*99+79简便运算 8.4*99+8.4简便运算