256-148+52
18×82+28×81
75+125×52
56×102-56-56
(136-10)÷9
136×9+10
136×9-10
289+25×4-189
700÷(25×4)+783
5000-25×4×32
600÷25×4÷16
8×(125+250)
=8×125+250
=1000+250
=1250