综合套题十
77.1 + 36 = 1000 ÷ 50 = 60 - 4.74 =
60 ÷ 10000 = 52 ×60 = 2.81 × 1000 =
69 +579 = 4.1 - 2.5 = 49.6 × 10 =
35.2 + 14.9 = 3.1 ÷ 100 = 260 - 70 =
2、简便计算
69000 ÷ (69 × 125 )




125 × ( 90 + 8 )




8 × (35 × 125 )




101 × 632 - 632




2.27 + 2.23 + 9.05 + 1.73 + 2.77




7.12 - (4.12 + 2.01 )




3、四则运算与灵活运用
403 + 944 - 935




1.66 - 4.17 + 4.34




643 - ( 243 - 259 )




173 - 520 ÷ (5 × 8)




3 + 6.19 - 6.61




656 × 99




(21 × 6 - 124) × 2




[9×(94+98)-433]×5




125 × 64 × 25