综合套题十
200 ÷ 25 =	940 - 90 =	3.5 + 2.08 =
39 +287 =	26.9 × 10 =	24 ×125 =
16.9 + 87.6 =	60 ÷ 1000 =	3.3 ÷ 100 =
9.1 - 7.5 =	60 - 6.68 =	1.45 × 1000 =
2、简便计算
1.89 + 2.62 + 7.43 + 1.11 + 4.38	6.11 - (3.11 + 1.32 )	999 × 513 + 513
165 × 1461 - 461 × 165	49000 ÷ (49 × 125 )	25 × (4 × 26 )
3、四则运算与灵活运用
8.12 - 4.3 + 0.88	2×[(79-22)×5+295]	7 + 7.5 - 7.45
( 345 + 140 ) ÷ 5	1980 ÷ (11 × 20) + 337	356×457-3×356-356×54
(72 × 6 + 877) × 7	59600 ÷ ( 596 ÷ 57 )	995 - 811 + 815