综合套题十
8 ×25 = 17.8 × 100 = 6.5 - 1.7 =
9.2 - 1.76 = 70 ÷ 10000 = 7.6 ÷ 100 =
56.5 + 48.7 = 400 ÷ 25 = 170 - 90 =
829 +82 = 94.7 + 62 = 3.35 × 1000 =
2、简便计算
109 × 18




7000 ÷ 125 ÷ 8




913 - 142 - 158




25 × (4 × 55 )




99 × 917 + 917




2.87 + 1.78 + 1.93 + 1.22 + 7.07




3、四则运算与灵活运用
427 - 760 ÷ (5 × 8)




( 420 + 225 ) ÷ 5




9556 - (739 + 456 )




125 × 72




10000 ÷ 500




(68 × 3 + 683) × 5




4952 - 718 - 352 - 282




[2×(62+78)-196]×5




1.8 + 8.24 - 2.5