综合套题十
600 ÷ 25 = 9.74 × 1000 = 38.19 - 3.7 =
58.6 × 100 = 8.4 + 6.28 = 20 ÷ 1000 =
48 ×20 = 75.2 + 23.9 = 247 +97 =
9.3 - 2.4 = 220 - 60 = 4.4 ÷ 1000 =
2、简便计算
98000 ÷ (98 × 25 )




2.31 + 3.17 + 2.94 + 5.83 + 4.06




6.44 - 1.27 - 1.73




4 × (75 × 25 )




426 × 146 - 46 × 426




101 × 242 - 242




3、四则运算与灵活运用
183 - 160 ÷ (5 × 4)




6.55 + 2.5 - 2




554 - 66 × 4 + 467




449 - ( 249 - 909 )




790 ÷ 48 × 24




[(29+76)÷3+394]×6




621 × 99




287×671-671×66-21×671




25 × 52 × 125