综合套题十
960 - 70 =	5.7 ÷ 1000 =	5.52 × 1000 =
8000 ÷ 50 =	2.4 + 6.19 =	20 - 3.81 =
25 ×8 =	987 +68 =	4.4 - 1.9 =
61.4 + 35.7 =	60 ÷ 10000 =	26.8 × 10 =
2、简便计算
1007 × 11	977 × 141 + 859 × 977	7000 ÷ 4 ÷ 25
824 - (438 + 124 )	2.32 + 1.68 + 1.92 + 7.32 + 1.08	25 × (4 × 39 )
3、四则运算与灵活运用
( 105 + 340 ) ÷ 5	(592 ÷ 8 + 148) × 8	3570 ÷ (17 × 15) + 384
6×[9×(87-39) +186]	125 × 56 × 25	1.95 - 1.52 + 4.05
5 - 1.13 + 5.02	814 - 236 + 239	1255 ÷ 60 × 12