综合套题十
68.6 + 79 =	60 - 8.62 =	210 - 60 =
800 ÷ 25 =	7.5 - 5.8 =	3.57 × 1000 =
74.9 + 27.2 =	3.6 ÷ 1000 =	16 ×25 =
70 ÷ 1000 =	49 +479 =	60.6 × 10 =
2、简便计算
697 - (285 + 297 )	( 90 + 8 ) × 125	8000 ÷ 125 ÷ 8
2.72 + 2.63 + 2.03 + 2.37 + 4.97	816 × 27 + 73 × 816	38 × 125 × 8
3、四则运算与灵活运用
[(76+29)×5-259]×3	25 × 64	427 - 190 ÷ 5 ÷ 2
611 + 656 - 648	623 + 585 ÷ 9 × 9	995×257-18×995-995×39
6.67 - 6.1 + 1.19	8848 - 833 - 948 - 567	1368 ÷ 72