综合套题十
62.8 + 54.5 = 80 ÷ 10000 = 78.1 + 74 =
20 - 4.24 = 9.3 - 1.9 = 6000 ÷ 50 =
60 ×56 = 50.9 × 100 = 5.54 × 1000 =
820 - 30 = 9.2 ÷ 100 = 476 +59 =
2、简便计算
50000 ÷ (50 × 125 )




314 + 254 + 552 + 186 + 248




4 × ( 25 + 300 )




764 - (379 + 264 )




56 × 25 × 4




927 + 927 × 99




3、四则运算与灵活运用
87300 ÷ ( 873 ÷ 39 )




2.9 + 7 - 9.81




648 ÷ 36




1.59 - 1.77 + 0.41




371 - ( 271 - 561 )




329 - 432 ÷ 2 ÷ 12




[(87+65)×9-383]×4




636 × 999




(35 × 6 + 696) × 8