根据运算定律或性质填空. (25×b)×8=______×(______×___
问题:
根据运算定律或性质填空.
(25×b)×8=______×(______×______)
a×6+6×15=______×(______+______)
1280÷16÷8=______÷(______×______)
根据运算定律或性质填空.
(25×b)×8=______×(______×______)
a×6+6×15=______×(______+______)
1280÷16÷8=______÷(______×______)