综合套题十
40 - 2.47 =	1.6 ÷ 100 =	4.1 - 3.6 =
25 ×16 =	79.3 + 31 =	54.9 × 10 =
5000 ÷ 50 =	22.9 + 75.7 =	3.92 × 1000 =
60 ÷ 1000 =	740 - 90 =	76 +426 =
2、简便计算
11 × 109	45000 ÷ (45 × 125 )	5.03 - 2.85 - 1.15
313 + 608 + 141 + 187 + 159	25 × (4 × 16 )	1001 × 582 - 582
3、四则运算与灵活运用
6.09 - 1.29 + 2.91	683 - 294 - 183	4.35 - 4.11 + 8.2
832 ÷ 13 ÷ 16 + 312	931 + 854 - 853	6×[(424-64)÷8+250]
(21 × 5 + 471) × 6	25 × 36 × 125	831 - ( 631 - 592 )