199900+99+99999×99999简便运算
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199900+99+99999×99999简便运算
199900+99+99999×99999
简便运算
199900+99+99999×99999简便运算
原式=100000+99999+99999*99999
=100000+99999*(1+99999)
=100000+100000*99999
=100000*100000
=10000000000
199900+99+99999×99999
=199999+99999*99999
=100000+100000*99999
=10000000000
199900+99+99999×99999
=199999+99999*99999
=100000+99999+(100000-1)*99999
=100000+99999+100000*99999-99999
=100000+9999900000
=10000000000
你丫抽了1·
199900+99+99999×99999
解:原式=199999+(100000-1)×(100000-1)
=199999+100000×100000-10000-10000+1
=199999+10000000000-200000+1
=199999+10000000000-199999
=199999-199999+10000000000
=10000000000
199900+99+99999×99999简便运算
99+999+9999+99999
9999999999+999999999+99999999+99999+9999+999+99+9=?
9+99+999+9999
9*4/5+99*4/5+999*4/5+9999*4/5+99999*4/5
巧算 (1)5×999+5+99×7+7+3×9+3 = = = = = (2)99999+巧算(1)5×999+5+99×7+7+3×9+3= ====(2)99999+9999+999+99+9+5======
9×9+99×99+999×999+9999×9999+9999+999+99+9=?等于多少?
9又1/7+99又2/7+999又3/7+9999又4/7+99999又5/7+999999又6/7简算
99+999+9999+99999=
99+999+9999+99999 是多少?
99+999+9999+99999+4
9+99+999+9999+9999+99999=?
9999×999×99×9+1+11+111+1111=(
9*99*999*9999*99999*999999=?3Q9*99*999*9999*99999*99999有规录
9+99+999+9999+99999+999999=?
9十99+999+9999+99999
9+99+999+9999+99999 = =
99+999+9999+99999,简便计算