综合套题十
25 ×90 = 289 +53 = 7.8 ÷ 100 =
28.9 × 100 = 8.3 - 3.7 = 9.23 × 1000 =
21.17 - 9.4 = 80.9 + 5.4 = 90 ÷ 1000 =
17.9 + 87 = 250 - 90 = 400 ÷ 25 =
2、简便计算
7.05 - (1.05 + 3.64 )




102 × 14




657 × 112 + 888 × 657




31000 ÷ (31 × 125 )




9.12 + 1.13 + 3.05 + 1.87 + 3.95




65 × 4 × 25




3、四则运算与灵活运用
297 - 286 ÷ (2 × 11)




25 × 52




[(163+62)÷5+166]×3




2780 ÷ ( 278 ÷ 95 )




5.8 + 5 - 2.63




7847 - 121 - 547 - 379




( 465 + 490 ) ÷ 5




652 - 204 ÷ 6 + 128




702 ÷ 54