综合套题十
3.3 - 2.5 =	59 ×30 =	704 +97 =
44.3 × 10 =	160 - 80 =	10 ÷ 10000 =
22.68 - 7.9 =	72.9 + 11.9 =	5.2 + 7.05 =
2.39 × 1000 =	7.2 ÷ 100 =	800 ÷ 25 =
2、简便计算
185 × 1772 - 772 × 185	7.31 - 2.64 - 1.36	6000 ÷ 4 ÷ 25
113 + 701 + 432 + 287 + 368	322 + 322 × 999	81 × 125 × 8
3、四则运算与灵活运用
25 × 36	( 495 + 365 ) ÷ 5	3299 - (899 + 929 )
[(31+39)×5-273]×2	(60 × 5 - 252) × 3	418 ÷ (2 × 11) + 348
9.2 + 1.94 - 4.2	256 × 99	27 × 420 ÷ 14