综合套题十
74.3 × 100 =	8.4 - 6.8 =	440 - 90 =
20 - 2.02 =	50 ÷ 1000 =	43.8 + 59.3 =
6.65 × 1000 =	25 ×16 =	300 ÷ 25 =
2.1 + 7.55 =	78 +183 =	3.5 ÷ 1000 =
2、简便计算
105 × 16	7000 ÷ 125 ÷ 8	386 + 386 × 99
856 - (293 + 356 )	12 × 8 × 125	1.13 + 1.35 + 7.75 + 1.87 + 2.65
3、四则运算与灵活运用
125 × 98	[(44+42)÷2+449]×3	400 ÷ 8 ÷ 5 + 159
(26 × 8 + 104) × 5	9.4 - 2.54 + 8.5	762 - ( 362 - 456 )
622 + 507 - 499	38300 ÷ ( 383 ÷ 25 )	2.55 - 2.53 + 6.45