期末检测
★期末检测9
建议用时:6分钟
实际用时:分钟
$605÷5 =$
$25×6 =$
$120×4 =$
$3×213 =$
$250÷5 =$
$125÷5 =$
$150+25 =$
$24×5 =$
$225×2 =$
$120×8 =$
$112×3 =$
$78÷2 =$
$640÷4 =$
$240÷8 =$
$26×3 =$
$222÷2 =$
$124×3 =$
$14×6 =$
$168÷4 =$
$180÷3 =$
$750-16 =$
$180÷2 =$
$480÷3 =$
$44×3 =$
$212×4 =$
$25×4 =$
$444÷4 =$
$424+229 =$
$360÷3 =$
$420÷7 =$
$340÷2 =$
$52×2 =$
$600÷2 =$
$140×4 =$
$840÷3 =$
$68×2 =$
$624÷2 =$
$409×7 =$
$87÷3 =$
$60÷4 =$
$123×3 =$
$12×5 =$
$120÷4 =$
$15×6 =$
$76÷4 =$

$605÷5 = 121$
$25×6 = 150$
$120×4 = 480$
$3×213 = 639$
$250÷5 = 50$
$125÷5 = 25$
$150+25 = 175$
$24×5 = 120$
$225×2 = 450$
$120×8 = 960$
$112×3 = 336$
$78÷2 = 39$
$640÷4 = 160$
$240÷8 = 30$
$26×3 = 78$
$222÷2 = 111$
$124×3 = 372$
$14×6 = 84$
$168÷4 = 42$
$180÷3 = 60$
$750-16 = 734$
$180÷2 = 90$
$480÷3 = 160$
$44×3 = 132$
$212×4 = 848$
$25×4 = 100$
$444÷4 = 111$
$424+229 = 653$
$360÷3 = 120$
$420÷7 = 60$
$340÷2 = 170$
$52×2 = 104$
$600÷2 = 300$
$140×4 = 560$
$840÷3 = 280$
$68×2 = 136$
$624÷2 = 312$
$409×7 = 2863$
$87÷3 = 29$
$60÷4 = 15$
$123×3 = 369$
$12×5 = 60$
$120÷4 = 30$
$15×6 = 90$
$76÷4 = 19$

拓展园地
有5把不同的锁，开这5把锁的5把钥匙混在了一起，最多要试多少次，才能把这5把锁和钥匙全部配对？

10次