①20×9=
②33× 3=
③142- 36=
④64÷2=
⑤26+14÷2=
⑥0×57=
⑦600÷3=
⑧500×8=
⑨4.6元+2.3元=
⑩9×4+55=
423×2= 734-35= 96÷3= 500×8=
628+187= 28.2元-15.6元= 26.6元+34.8元=
74+26= 50-28= 94-43= 70-52= 100-76=
85-65= 59+36= 43+50= 18+67= 1200-200=
47+33= 25+45= 65-15= 40+29=
70-26= 1000-250= 230+55= 74+16=