综合套题十
5.2 - 3.7 =	32.2 × 100 =	3000 ÷ 50 =
50 ÷ 10000 =	6.46 × 1000 =	39.8 + 99 =
40 ×91 =	710 - 30 =	39 +567 =
50 - 2.87 =	3.6 ÷ 100 =	98.9 + 73.7 =
2、简便计算
953 - (153 + 226 )	196 + 124 + 504 + 654 + 176	1001 × 984 - 984
793 × 140 - 793 × 40	8 × (86 × 125 )	18000 ÷ (18 × 25 )
3、四则运算与灵活运用
2×[(380-65)÷7+491]	(111 ÷ 3 + 985) × 3	600 ÷ 22 × 11
1710 ÷ (6 × 19) + 246	125 × 48	888 - ( 288 - 475 )
( 455 + 320 ) ÷ 5	600 ÷ 600	6.6 + 6.83 - 1.5