简算:100000-(79999-7999-799-79-7)
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简算:100000-(79999-7999-799-79-7)简算:100000-(79999-7999-799-79-7)简算:100000-(79999-7999-799-79-7)100000-
简算:100000-(79999-7999-799-79-7)
简算:100000-(79999-7999-799-79-7)
简算:100000-(79999-7999-799-79-7)
100000-(79999-7999-799-79-7)
=100000-[80000-1-(8000-1)-(800-1)-(80-1)-7]
=100000-(80000-1-8000+1-800+1-80+1-7)
=100000-(80000-8000-800-80-5)
=(100000-80000)+(8000+800+80+5)
=20000+8885
=28885
简算:100000-(79999-7999-799-79-7)
简便方法怎样运算:100000-(79999+7999+799+79+7)
四年级xs版口算下册题:巧算100000-(79999+7999+799+79+7)
(1) 7+79+799+7999+79999(2) 26/(13/2)/(2/15)请列出计算步骤
简便计算:899998-799999+89998-79999+8998-7999+898-799+88-79
799999 + 79999 + 7999 + 799 + 79 + 5 138 x 1又4分之1 + 23.3 x(2 - 百分之75)- 百分之125 x 38 + (1 + 0.25 )x 28.7
799-407简便运算
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