37.2km 36km800m 36.08km 37km80m
>>>
①405×16=
②35×618=
③430×63=
④240×60=
⑤900×95=
①34×125×8
②99×75
③8100÷45÷9
④11×123+11×22-33×15
⑤37×[278-(53+35)]
⑥3.07-1.57+6.93-3.43