6級 かけざん 練習問題

[*] を コンピューターで練習してから、練習問題を20問やります。

(1) *  74 × 792 =
(2) * 680 ×  47 =
(3) *  19 × 690 =
(4) * 302 ×  78 =
(5) *  53 × 905 =
(6)   472 ×  86 =
(7)    95 × 513 =
(8)   214 ×  24 =
(9)    61 × 108 =
(10)   853 ×  36 =
(11)    58 × 651 =
(12)   850 ×  85 =
(13)    41 × 543 =
(14)   907 ×  96 =
(15)    82 × 270 =
(16)   209 ×  71 =
(17)    76 × 924 =
(18)   637 ×  43 =
(19)    16 × 308 =
(20)   394 ×  12 =

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