综合套题十
370 - 90 =	8.23 × 1000 =	51.9 + 65.6 =
90.27 - 2.5 =	26.1 × 100 =	40 ÷ 10000 =
7.6 + 9.51 =	9.1 ÷ 1000 =	89 +276 =
6.4 - 3.8 =	125 ×16 =	4000 ÷ 50 =
2、简便计算
101 × 383 - 383	4 × (25 × 25 )	621 - (121 + 246 )
( 70 + 8 ) × 125	8000 ÷ 125 ÷ 8	164 + 173 + 136 + 989 + 627
3、四则运算与灵活运用
895 + 486 ÷ 9 × 9	498×479-41×498-498×38	288 ÷ 36
6.32 + 2.85 - 6.3	5×[(84-24)×7+228]	195 ÷ 13 ÷ 3 + 479
2.69 - 2.38 + 1.31	98 × 240 ÷ 12	51500 ÷ ( 515 ÷ 11 )