综合套题十
20 ÷ 1000 = 826 +78 = 125 ×56 =
1.39 × 1000 = 300 ÷ 25 = 60 - 8.68 =
95.9 × 10 = 91.3 + 93.9 = 8.6 - 7.7 =
170 - 80 = 52.9 + 62 = 7.2 ÷ 100 =
2、简便计算
64000 ÷ (64 × 125 )




( 300 + 4 ) × 25




397 + 397 × 999




5.14 - (1.14 + 3.28 )




25 × (4 × 24 )




2.24 + 1.44 + 7.5 + 5.76 + 2.56




3、四则运算与灵活运用
76100 ÷ ( 761 ÷ 74 )




455 - 1320 ÷ (20 × 11)




976 + 45 × 4 - 332




[(217+49)÷7+433]×4




488 ÷ 22 × 11




( 250 + 135 ) ÷ 5




592 × 99




8278 - 492 - 178 - 1108




8.6 + 4 - 6.3