综合套题十
10 ÷ 1000 = 730 - 80 = 5.8 ÷ 1000 =
1.4 + 8.71 = 1000 ÷ 50 = 81.5 + 73.9 =
80 ×32 = 88.32 - 3.9 = 3.25 × 1000 =
7.4 - 2.5 = 475 +77 = 39.3 × 10 =
2、简便计算
1.39 + 3.31 + 1.97 + 6.61 + 1.69




( 90 + 8 ) × 125




667 × 356 + 667 × 644




125 × (8 × 91 )




661 - (134 + 361 )




4000 ÷ 4 ÷ 25




3、四则运算与灵活运用
( 235 + 430 ) ÷ 5




[(28+63)×7-388]×2




78 × 125




465 - 325 + 333




4544 - (844 + 215 )




7.5 + 1.2 - 7.2




1155 ÷ 11 ÷ 7 + 261




530 + 42 × 4 - 122




1071 ÷ 63