12×414×7 270÷9240÷8 11.09元11元9角 5.5+1.510-2.9
①408÷6=
②702÷6=
③380÷4=
④812÷4=
⑤536÷5=
⑥702÷3=
64000平方米=公顷 4.2升=毫升
①101×9.9
②44﹣72÷
③36×()
④÷[(﹣)×3]
⑤95×3.8+6.2÷
⑥0.25×40÷0.25×40