综合套题十
8.1 ÷ 100 =	2.8 + 9.73 =	50 ×38 =
46.4 × 10 =	82.3 + 26.9 =	5.94 × 1000 =
3000 ÷ 50 =	4.3 - 1.8 =	610 - 40 =
399 +82 =	42.69 - 2.8 =	40 ÷ 1000 =
2、简便计算
57 × 25 × 4	482 × 1698 - 698 × 482	8.84 + 1.64 + 2.01 + 1.36 + 3.99
2000 ÷ 8 ÷ 125	732 - (232 + 232 )	993 × 1001 - 993
3、四则运算与灵活运用
720 ÷ 36	8.69 - 2.23 + 4.4	37800 ÷ ( 378 ÷ 17 )
8694 - 446 - 894 - 354	44 × 25	( 245 + 485 ) ÷ 5
5×[402÷(73-67)+334]	266 - 148 ÷ 4 + 391	1960 ÷ (7 × 14) + 117