问题 解答题

根据37×3=111,简算下面各题.

(1)37×6           (5)37×30

(2)37×9           (6)37×24

(3)37×12          (7)37×33

(4)37×15          (8)37×27.

答案

(1)37×6,

=37×3×2,

=111×2,

=222,

(2)37×9,

=37×3×3,

=111×3,

=333,

(3)37×12,

=37×3×4,

=111×4,

=444,

(4)37×15,

=37×3×5,

=111×5,

=555,

(5)37×30,

=37×3×10,

=111×10,

=1110,

(6)37×24,

=37×3×8,

=111×8,

=888,

(7)37×33,

=37×3×11,

=111×11,

=1221,

(8)37×27,

=37×3×9,

=11×9,

=99.

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