综合套题十
9.45 × 1000 =	649 +67 =	7000 ÷ 50 =
50 - 6.66 =	40 ÷ 10000 =	8.8 ÷ 1000 =
60 ×45 =	9.2 - 1.8 =	8.4 + 8.95 =
51.4 + 16.8 =	630 - 60 =	74.7 × 10 =
2、简便计算
55 × 8 × 125	941 - 233 - 167	352 + 155 + 548 + 884 + 245
254 × 732 + 254 × 268	15000 ÷ (15 × 125 )	104 × 17
3、四则运算与灵活运用
986 - 126 - 786	( 225 + 270 ) ÷ 5	936 ÷ 12 ÷ 13 + 166
25 × 84	59600 ÷ ( 596 ÷ 53 )	3×[(94-48)×8+472]
5.5 - 2.19 + 7.4	5015 - (579 + 515 )	181 - 288 ÷ 4 + 289