综合套题十
7.5 + 52.9 = 1.1 + 1.42 = 300 ÷ 25 =
1.1 ÷ 1000 = 2.61 × 1000 = 40 ÷ 10000 =
8.2 - 4.4 = 250 - 60 = 20 - 3.71 =
19.1 × 100 = 53 +758 = 25 ×4 =
2、简便计算
759 - 277 - 123




3.16 + 2.93 + 9.68 + 1.84 + 1.07




4 × (34 × 25 )




99 × 221 + 221




( 125 + 50 ) × 8




51000 ÷ (125 × 51 )




3、四则运算与灵活运用
779 + 298 - 289




[(129+86)÷5+155]×6




457 - 1680 ÷ (7 × 20)




2037 - 753 - 737 - 347




5200 ÷ 400




1.99 + 7.87 - 4.1




99 × 333




(25 × 5 + 159) × 2




( 205 + 190 ) ÷ 5