①※876+214=
②※503-267=
③667×8=
④709×5=
7.7元+5.5元=
6.2元-2.8元=
20元-7.4元=
50×6=
7×40=
300×8=
220×3=
45÷9=
150÷5=
11×7=
7×800=
13×3=
2×35=
240÷6=
0×260=
200÷4=
240÷3=
12×8=
9×60=
65×4×0=
5×3+2=
10×6+0=
7×8-6=
232×4=
320×7=
409×5=
★274+582=
★826-179=
①748÷6=
②635÷7=
③☆802÷4=
④524÷5=
4×9+236
7×(9-5)7×9-5
4÷44-4
28-12÷45
(25+15)÷525+15÷5
5×2+66+5×2
5.07-2.8= 34÷4= 1- = ∶ =