在○里填运算符号,在□中填数.
(1)465﹣199
=465﹣200○□
=□○□
=□
(2)99×33
=(100○□)×33
=100×33○□×33
=□
(3)125×56
=125×(□×□)
=125×□×□
=□
(4)3000÷4÷25
=3000÷(□○□)
=3000÷□
=□
在○里填运算符号,在□中填数.
(1)465﹣199
=465﹣200○□
=□○□
=□
(2)99×33
=(100○□)×33
=100×33○□×33
=□
(3)125×56
=125×(□×□)
=125×□×□
=□
(4)3000÷4÷25
=3000÷(□○□)
=3000÷□
=□