综合套题八
1、口算
435 × 2 = 402 ÷ 3 =
6.5 + 4.1 = 3.3 - 2.9 =
164 × 2 = 600 × 800 =
384 × 2 = 564 ÷ 9 =
586 ÷ 2 = 203 ÷ 2 =
2、脱式计算
      376 ÷ (55 - 47)





      669 + 105 ÷ 3





      9 × (23 + 61)





      58 × 8 + 897





3、笔算(带**要求验算)
      *273 ÷ 3 =





      570 ÷ 6 =





      22 × 99 =





      88 × 90 =