数学题——简算简算:9999乘以7778+3333乘以6666=5.6乘69.32+138.64乘0.05+693.2乘
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数学题——简算
简算:
9999乘以7778+3333乘以6666=
5.6乘69.32+138.64乘0.05+693.2乘0.43=
简算:
9999乘以7778+3333乘以6666=
5.6乘69.32+138.64乘0.05+693.2乘0.43=
![数学题——简算简算:9999乘以7778+3333乘以6666=5.6乘69.32+138.64乘0.05+693.2乘](/uploads/image/z/2514277-37-7.jpg?t=%E6%95%B0%E5%AD%A6%E9%A2%98%E2%80%94%E2%80%94%E7%AE%80%E7%AE%97%E7%AE%80%E7%AE%97%EF%BC%9A9999%E4%B9%98%E4%BB%A57778%2B3333%E4%B9%98%E4%BB%A56666%3D5.6%E4%B9%9869.32%2B138.64%E4%B9%980.05%2B693.2%E4%B9%98)
9999*7778+3333*6666
=9*1111*(7*1111+1)+3*1111*6*1111
=(63+18)*1111*1111+9*1111
=81*1111*1111+9*1111
=9*1111*(9*1111+1)
=99990000
5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*2*0.05+69.32*4.3
=69.32*(5.6+0.1+4.3)
=693.2
小朋友,下次 作业要自己做
=9*1111*(7*1111+1)+3*1111*6*1111
=(63+18)*1111*1111+9*1111
=81*1111*1111+9*1111
=9*1111*(9*1111+1)
=99990000
5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*2*0.05+69.32*4.3
=69.32*(5.6+0.1+4.3)
=693.2
小朋友,下次 作业要自己做
数学题——简算简算:9999乘以7778+3333乘以6666=5.6乘69.32+138.64乘0.05+693.2乘
70642=7乘( )+6乘( )+4乘以( )+2乘以( )
9999乘以7778加上3333乘以6666怎么简便计算?5.6乘以69.32加上138.64乘以0.05加上693.2
9999乘7778加3333乘6666
(78.6——0.786乘以25+75%乘以21.4)除以15乘2001
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简算:5.6乘69.32加138.64乘0.05加693.2乘0.43
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