综合套题十
940 - 90 = 6.5 ÷ 1000 = 80 ÷ 10000 =
63 +839 = 7.5 + 5.71 = 2.1 - 1.5 =
80 - 1.79 = 4.11 × 1000 = 14 ×30 =
6000 ÷ 50 = 60.7 + 59.8 = 57.8 × 10 =
2、简便计算
101 × 738 - 738




508 × 124 - 508 × 24




381 + 274 + 419 + 789 + 426




778 - 157 - 143




4 × (17 × 25 )




41000 ÷ (41 × 125 )




3、四则运算与灵活运用
4.18 + 3.9 - 6.1




2040 ÷ (20 × 17) + 267




2×[(310-86)÷8+487]




( 470 + 245 ) ÷ 5




16 × 25




291 - 26 × 9 + 275




578 - ( 478 - 403 )




464 × 98




551 - 542 + 546