直接写出得数.
1﹣0.78= 138+62= 40×0.25= 0÷137=
35÷10%=
×33= 32×200=
﹣
=
口算
(1)12÷
=(2)1÷1%=(3)9.5+0.5=(4)
+
=(5)0÷
×2=
(6)1﹣
=(7)
×
=(8)
÷
=(9)
﹣
=(10)
×
×9=
直接写得数.
728﹣299= 3.6×25%= 0.25×4÷0.25×4= 0.23= 6÷
=
﹣
= 3﹣
= 1﹣
+
= 8﹣1.3﹣1.7= 0.13+
+0.87=
直接写出得数.
236+298=
=
= 0.15+20.2=
10÷
= 6.3÷0.07= 0.25÷2.5%= 6﹣0.75=
51×
= 3.7×0.001=
=
=
直接写出得数
529+198= 305﹣199= 2.05×4= 8×12.5%=
+
×0=
=