综合套题八
1、口算
6.7 + 1.9 = 878 ÷ 9 =
104 × 7 = 276 ÷ 3 =
135 × 7 = 192 × 3 =
369 ÷ 7 = 8.3 - 2.1 =
200 × 80 = 527 ÷ 2 =
2、脱式计算
      6 × (93 - 90)





      (294 + 90) ÷ 8





      424 - 776 ÷ 8





      136 - 276 ÷ 3





3、笔算(带**要求验算)
      16 × 40 =





      *274 ÷ 4 =





      66 × 30 =





      344 ÷ 4 =