综合套题十
8.2 - 3.3 =	41 ×50 =	75.7 + 88.4 =
938 +89 =	140 - 60 =	60 - 6.56 =
32.7 + 18 =	87.8 × 100 =	400 ÷ 25 =
6.5 ÷ 1000 =	90 ÷ 1000 =	7.26 × 1000 =
2、简便计算
1001 × 523 - 523	4 × ( 25 + 400 )	8 × (17 × 125 )
4.81 + 2.45 + 4.48 + 4.19 + 4.55	834 - (429 + 234 )	3000 ÷ 25 ÷ 4
3、四则运算与灵活运用
861×666-666×7-54×666	125 × 48 × 25	231 - 1026 ÷ 19 ÷ 9
8.95 + 5.75 - 2.6	44 × 25	(468 ÷ 9 + 87) × 3
13200 ÷ ( 132 ÷ 78 )	3×[(316-76)÷6+345]	998 × 173