①423÷71≈
②138÷18≈
③791÷41≈
④239÷79≈
⑤563÷82≈
⑥719÷88≈
①101×9.9
②44﹣72÷
③36×()
④÷[(﹣)×3]
⑤95×3.8+6.2÷
⑥0.25×40÷0.25×40