综合套题十
620 - 70 = 14.4 × 100 = 4.3 - 2.8 =
20.52 - 5.8 = 4000 ÷ 50 = 25 ×16 =
427 +85 = 70 ÷ 1000 = 1.8 ÷ 1000 =
12.7 + 99.9 = 2.21 × 1000 = 40.2 + 85 =
2、简便计算
534 × 814 + 186 × 534




6000 ÷ 125 ÷ 8




341 + 669 + 446 + 259 + 254




104 × 14




763 - 241 - 159




84 × 125 × 8




3、四则运算与灵活运用
1366 ÷ 50 × 25




391 - 315 ÷ 7 ÷ 9




7.57 - 4.79 + 0.43




962 - 181 - 562




300 ÷ 25




[(151+65)÷9+174]×3




(267 ÷ 3 + 444) × 4




2.92 + 5.45 - 7.43




64 × 25