①732+144+256+268
②700÷25÷4
③25×33×4
④32×201﹣32
⑤56×101
⑥370﹣170÷5
99×95=9405
999×995=994005
9999×9995=
7629×10001=76297629
5438×10001=54385438
2764×10001=
0.56÷0.8= = = =
5×( )= 30×= 0.53= 3﹣=