综合套题十
4.29 × 1000 =	6.5 - 4.7 =	6000 ÷ 50 =
32.9 + 30.8 =	9.8 ÷ 100 =	67.1 + 86 =
79 ×60 =	9.4 - 6.95 =	70 ÷ 1000 =
48 +779 =	840 - 60 =	59.9 × 100 =
2、简便计算
125 × (8 × 36 )	344 + 839 + 169 + 156 + 431	99 × 381 + 381
664 × 1513 - 664 × 513	504 - 117 - 183	69000 ÷ (125 × 69 )
3、四则运算与灵活运用
1017 ÷ 90 × 30	4.9 - 4.34 + 7.97	27200 ÷ 800
3400 ÷ (20 × 10) + 216	481 - 60 × 2 + 199	416×252-14×416-416×38
57700 ÷ ( 577 ÷ 73 )	794 - ( 294 - 977 )	[3×(86+71)-300]×6