64-(17+28)=19
9×(2+5)64 | 90÷(12-3)11 |
28+5×4=
42-42÷7=
36÷(3+6)=
(50+13)÷9= 90-9-60= 7×(26-20)=
①23+18+47
②72-29-17
③15+(34-26)
④78-(12+28)
⑤74-(33+12)
⑥81-(27-24)
⑦25+46-34
⑧48-(21-9)
⑨35+18-35
①49+17=
②26+45=
③86-38=
④86-13-36=
⑤48+26-39=
⑤53-(9+37)=