综合套题十
90 ÷ 1000 =	4.1 - 3.3 =	200 ÷ 25 =
4.37 × 1000 =	44 +459 =	60 - 3.07 =
86.8 + 43.3 =	84.1 × 10 =	120 - 70 =
6.9 ÷ 1000 =	30.9 + 69 =	88 ×90 =
2、简便计算
583 - (183 + 311 )	91000 ÷ (25 × 91 )	14 × 1008
74 × 4 × 25	675 × 101 - 675	336 + 632 + 307 + 564 + 493
3、四则运算与灵活运用
(32 × 5 + 820) × 2	125 × 48 × 25	( 275 + 155 ) ÷ 5
448 - 1080 ÷ 6 ÷ 10	2216 - 237 - 216 - 1063	[(348+36)÷8+401]×6
5.8 + 5.4 - 8.4	57200 ÷ ( 572 ÷ 24 )	777 - ( 177 - 586 )