综合套题十
43.4 × 100 =	9.32 × 1000 =	80 - 4.22 =
40 ×19 =	9.1 ÷ 100 =	36.7 + 41 =
90 ÷ 1000 =	9.2 - 4.5 =	148 +85 =
810 - 50 =	37.5 + 5.8 =	6000 ÷ 50 =
2、简便计算
848 × 1717 - 717 × 848	301 × 779 + 301 × 221	86 × 8 × 125
699 + 316 + 101 + 991 + 184	65000 ÷ (125 × 65 )	532 - 124 - 176
3、四则运算与灵活运用
3.65 - 4.15 + 3.35	8.6 + 4.81 - 5.2	634 - 175 - 334
306 - 546 ÷ 7 ÷ 13	68200 ÷ ( 682 ÷ 55 )	571 - ( 471 - 479 )
314 + 225 ÷ 5 × 2	[(112+64)÷8+154]×3	1236 ÷ 56 × 28