①27.59﹣(2.78+7.59)
②( + ﹣ )×3.6
③63.5×101
0.8×0.2=
=
0÷23×87=
5﹣=
8.8÷1%=
20÷=
16×0.1=
4.3×798×0=
×7.2=
+=
6×-×5=
①3.86+19.7+6.14
② + ÷
③28.26÷3.14×1.2
④ × ﹣ ÷
5 6 1 0