综合套题十
87.2 × 10 =	5.5 - 2.6 =	4.9 ÷ 1000 =
3.8 + 2.89 =	800 ÷ 25 =	25 ×32 =
81.07 - 3.7 =	310 - 30 =	80 ÷ 1000 =
99.9 + 12.3 =	2.06 × 1000 =	839 +62 =
2、简便计算
5.56 - (1.56 + 2.33 )	98 × 8 × 125	43000 ÷ (43 × 125 )
135 + 527 + 306 + 165 + 394	99 × 676 + 676	613 × 1593 - 613 × 593
3、四则运算与灵活运用
1428 ÷ 98 × 14	4064 - 716 - 364 - 284	556 - 37 × 7 + 88
5331 - (731 + 433 )	8.62 - 3.62 + 9.37	945 × 98
3×[(269-29)÷6+395]	25 × 64 × 125	432 ÷ (9 × 3) + 411