综合套题十
21.2 × 100 =	1.7 ÷ 1000 =	9.1 - 2.6 =
700 ÷ 25 =	60 ÷ 10000 =	125 ×64 =
63.64 - 3.8 =	670 - 80 =	5.4 + 3.41 =
9.96 × 1000 =	89 +483 =	5.5 + 75.9 =
2、简便计算
4 × (67 × 25 )	( 20 + 8 ) × 125	1.49 + 3.78 + 9.14 + 5.51 + 1.22
7.07 - (4.07 + 2.97 )	946 × 82 + 946 × 18	71000 ÷ (125 × 71 )
3、四则运算与灵活运用
589 + 463 - 457	720 ÷ 72	1194 ÷ 36 × 12
714 ÷ 3 ÷ 17 + 389	6.9 + 4.97 - 6.35	125 × 20 × 25
904 - 560 ÷ 8 + 469	7221 - (558 + 921 )	[(21+23)÷2+223]×2