综合套题十
8.3 + 1.39 =	99.6 + 59.9 =	90 - 8.53 =
1.6 ÷ 1000 =	620 - 40 =	60 ×63 =
600 ÷ 25 =	9.5 - 1.7 =	93.7 × 100 =
86 +515 =	60 ÷ 1000 =	1.87 × 1000 =
2、简便计算
8 × (11 × 125 )	826 - (251 + 126 )	79000 ÷ (125 × 79 )
14 × 102	1.18 + 3.18 + 9.94 + 1.82 + 4.82	99 × 521 + 521
3、四则运算与灵活运用
( 460 + 390 ) ÷ 5	850 ÷ 25	829 - 296 - 429
74 × 25	7.37 - 7 + 8.2	432 ÷ (16 × 3) + 462
4×[(265-37)÷6+165]	703 - 99 × 4 + 384	626 - 421 + 424