综合套题八
1、口算
778 ÷ 5 = 50 × 200 =
29 × 6 = 221 × 4 =
31 × 9 = 709 ÷ 2 =
757 ÷ 6 = 4.6 - 3.9 =
0.2 + 2.6 = 232 ÷ 9 =
2、脱式计算
      468 ÷ 6 + 164





      (73 - 67) × 9





      3 × (36 + 67)





      649 + 91 × 7





3、笔算(带**要求验算)
      456 ÷ 6 =





      43 × 56 =





      63 × 47 =





      *438 ÷ 7 =