123+767-842 65+35+5 (198-89)× 4
100÷2=
9×80=
63÷3=
550÷5=
280÷4=
0÷7=
75÷5=
400÷8=
6×7-30=
(23+12)÷5=
(28-14)÷7=
(42-20)÷2=
72÷9+24=
(38-12)÷2=
①(25+47)×4
②48÷6+156
③536-360÷4
④350+42×6
⑤56-8×5
⑥(25+78)×7