综合套题十
90 ÷ 1000 =	99.44 - 7.7 =	930 - 40 =
200 ÷ 25 =	36.9 + 74.6 =	69.7 × 10 =
1.9 ÷ 100 =	29 +578 =	4.1 - 3.9 =
1.18 × 1000 =	4.2 + 7.83 =	41 ×70 =
2、简便计算
16 × 108	5.97 - 1.92 - 1.08	3000 ÷ 8 ÷ 125
25 × (4 × 78 )	2.72 + 2.39 + 2.43 + 1.61 + 3.57	662 × 101 - 662
3、四则运算与灵活运用
645 - 175 - 445	1052 ÷ 24 × 12	5978 - (378 + 926 )
[369÷(6+3)+492]×5	963×271-25×963-963×46	1836 ÷ 18 ÷ 6 + 201
1730 ÷ ( 173 ÷ 37 )	8.32 - 6.6 + 3.78	778 + 45 × 6 - 255