综合套题十
40.7 × 10 =	30 ÷ 10000 =	71.1 + 87 =
24 ×125 =	500 ÷ 25 =	186 +76 =
6.24 × 1000 =	40 - 8.49 =	8.6 ÷ 1000 =
58.4 + 33.8 =	5.2 - 1.9 =	140 - 60 =
2、简便计算
222 × 1337 - 337 × 222	2.03 + 1.89 + 3.55 + 6.97 + 1.11	89 × 8 × 125
537 - (278 + 237 )	461 + 461 × 999	3000 ÷ 125 ÷ 8
3、四则运算与灵活运用
47 - 88 ÷ 4 + 436	998 × 449	162 ÷ 54
7.79 - 5.79 + 3.8	386×935-935×2-84×935	( 395 + 335 ) ÷ 5
8100 ÷ 300	5×[648÷(89-81)+344]	90 ÷ 5 ÷ 6 + 364