填写英文数词,完成下列算式
(1) + thirty = fifty
(2)fifteen + fourteen =
(3)forty - = nineteen
(4)five×six =
(5) + seven = eight
填写英文数词,完成下列算式
(1) + thirty = fifty
(2)fifteen + fourteen =
(3)forty - = nineteen
(4)five×six =
(5) + seven = eight
试题篮
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