综合套题十
80 - 3.63 =	9.3 ÷ 1000 =	99 +888 =
9.45 × 1000 =	90 ÷ 10000 =	2000 ÷ 50 =
40 ×54 =	5.1 + 4.78 =	94.7 + 87.9 =
56.7 × 10 =	540 - 80 =	6.3 - 3.8 =
2、简便计算
( 25 + 600 ) × 4	601 × 28 + 601 × 72	94 × 125 × 8
9000 ÷ 25 ÷ 4	184 + 451 + 198 + 316 + 202	788 - (324 + 388 )
3、四则运算与灵活运用
(81 × 7 + 695) × 8	494 + 975 - 968	8.9 + 7.22 - 2.29
5011 - 143 - 511 - 457	2340 ÷ 15 ÷ 13 + 323	125 × 44 × 25
488 ÷ 34 × 17	3×[(214-94)÷5+147]	452 - 134 - 152