综合套题十
664 +89 = 32 ×125 = 87.8 + 44.5 =
1.76 × 1000 = 90 ÷ 10000 = 8.3 - 2.9 =
78.9 + 47 = 620 - 90 = 9000 ÷ 50 =
49.2 × 10 = 3.6 ÷ 100 = 70 - 4.92 =
2、简便计算
355 + 809 + 502 + 145 + 398




66000 ÷ (125 × 66 )




12 × 1005




8.23 - 1.65 - 1.35




278 × 688 + 312 × 278




89 × 25 × 4




3、四则运算与灵活运用
5.1 + 5.95 - 7.8




6830 ÷ ( 683 ÷ 93 )




3×[(69-47)×4+439]




25 × 60 × 125




25 × 24




282 - 2052 ÷ 19 ÷ 18




125 × 48




( 245 + 415 ) ÷ 5




(132 ÷ 6 + 366) × 5