综合套题十
6.87 × 1000 =	500 ÷ 25 =	83.7 + 98 =
46 ×70 =	5.8 ÷ 100 =	90 ÷ 10000 =
9.5 + 3.8 =	73 +479 =	68.1 × 10 =
980 - 90 =	5.5 - 3.64 =	3.5 - 1.6 =
2、简便计算
( 20 + 8 ) × 125	4 × (55 × 25 )	743 - 155 - 145
131 + 207 + 422 + 269 + 178	61000 ÷ (25 × 61 )	1001 × 907 - 907
3、四则运算与灵活运用
14700 ÷ 700	(55 × 7 + 65) × 4	1620 ÷ (18 × 6) + 128
3×[(73-21)÷4+356]	98 × 114	125 × 48
3.5 + 1.5 - 2.09	25 × 12 × 125	5387 - 1264 - 487 - 336