简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001

来源：学生作业帮助网 编辑：作业帮 时间：2024/09/06 08:48:30
简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001
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简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001
简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001

简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001
5.97x2.6+0.597x75-597x0.001
=5.97x2.6+5.97x7.5-5.97x0.1
=5.97x(2.6+7.5-0.1)
=5.97x10
=59.7
999*7.78+333*6.66
=999*7.78+333*3*2.22
=999*7.78+999*2.22
=999*(7.78+2.22)
=999*10
=9990

999乘7.78加333乘6.66 用 简算 333*6.66+999*7.78怎么巧算 999*7.78+333*6.66=?（要简算） 999×7.78+333×6.66怎样简算 999乘7.78加333乘6.66 简算：999×7.78+333×6.66≡ 5.97×2.6＋0.597×75－597×0.001 999*7.78+333*6.66的简算方法! 简算9.99*7.78+3.33*6.66简算 999×778×333×666简算! 333+666+778+999简算 121×333+999×37 简算 999*111—333*667简算 333*777-222*666分之999*333,简算, 111+222+333+.+999分之100+200+300...+900简算 简算999*779+333*666 有会的吗 3.33乘以6.66简算 333乘333简算 333乘333简算