题文
(1)2.6+2.6+2.6+2.6+2.6= ×
4.04+4.04+4.04= ×
(2)0.07×3= + +
(3)“6.9×5”表示 个 相加.
(1)2.6+2.6+2.6+2.6+2.6= ×
4.04+4.04+4.04= ×
(2)0.07×3= + +
(3)“6.9×5”表示 个 相加.
试题篮
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