综合套题十
300 ÷ 25 = 28 ×20 = 37 +687 =
9.1 - 8.3 = 1.4 ÷ 100 = 3.3 + 64.9 =
9.23 × 1000 = 320 - 70 = 83.02 - 5.9 =
71.6 + 99 = 70 ÷ 10000 = 46.6 × 100 =
2、简便计算
977 × 410 + 977 × 590




5000 ÷ 4 ÷ 25




5.03 - 1.75 - 2.25




8 × ( 125 + 80 )




4 × (63 × 25 )




2.91 + 4.63 + 1.96 + 1.37 + 4.04




3、四则运算与灵活运用
3 + 8.4 - 6.8




125 × 76 × 25




5.64 - 4.86 + 2.36




911 + 24 × 5 - 238




( 405 + 135 ) ÷ 5




351 - ( 251 - 435 )




324 ÷ 54




407 - 1672 ÷ 8 ÷ 11




[5×(75+65)-470]×5