列竖式计算,带★号的题要验算。①804÷4=②★364÷9=③32×79=④37×44 =⑤★ 857÷4=⑥832÷8= 答案:①804÷4= 201 ②364÷9= 40......4验算: ③32×79=2528 ④37×44 = 1628⑤857÷4= 214......1 验算:⑥832÷8=104— _______ do you exercise? —Three to six times a week.
[ ]A. When B. How often C. How long D. How much