连除练习 1：360÷4÷9 720÷8÷3 630÷7÷3 =90÷9 =90÷3 =90÷3 =10 =30 =30 360÷（4×9﹚ 720÷﹙8×3﹚ 630÷﹙7×3﹚ =360÷36 =720÷24 =630÷21 =10 =30 =30 2： 360÷8÷5 560÷﹙7×4﹚ 420÷14 =360﹙8×5﹚ =560÷7÷4 =420÷7÷2 =360÷40 =80÷4 =60÷2 =9 =20 =30 [hide=999999] 3. （1）解：3

连除练习 1：360÷4÷9 720÷8÷3 630÷7÷3 =90÷9 =90÷3 =90÷3 =10 =30 =30 360÷（4×9﹚ 720÷﹙8×3﹚ 630÷﹙7×3﹚ =360÷36 =720÷24 =630÷21 =10 =30 =30 2： 360÷8÷5 560÷﹙7×4﹚ 420÷14 =360﹙8×5﹚ =560÷7÷4 =420÷7÷2 =360÷40 =80÷4 =60÷2 =9 =20 =30 [hide=999999] 3. （1）解：3