综合套题十
27.8 + 12.6 = 68.8 + 34 = 82.4 × 10 =
2.4 - 1.8 = 87.46 - 9.5 = 60 ×63 =
340 - 50 = 1.73 × 1000 = 96 +555 =
8.1 ÷ 1000 = 200 ÷ 25 = 60 ÷ 1000 =
2、简便计算
9000 ÷ 4 ÷ 25




22 × 8 × 125




783 × 176 - 76 × 783




999 × 431 + 431




9.67 - (6.67 + 2.86 )




281 + 381 + 219 + 458 + 119




3、四则运算与灵活运用
1326 ÷ (6 × 13) + 311




(40 × 5 + 847) × 4




1.8 - 1.6 + 6.94




125 × 80 × 25




7843 - 343 - 257 - 543




2×[(77-29)×6+469]




34900 ÷ ( 349 ÷ 49 )




( 155 + 370 ) ÷ 5




284 - 804 + 811