3×9= 5×7= 45÷5= 28÷4= 1×5=
0÷8= 8×3= 6×6= 9÷1= 63÷9=
0×4= 7÷7= 3×6÷2= 64÷8+9= 35÷7÷5=
58+29= 90-54= 46+(25-17)
55+30= 64-44= 37+13-40
①101×9.9
②44﹣72÷
③36×()
④÷[(﹣)×3]
⑤95×3.8+6.2÷
⑥0.25×40÷0.25×40