填一填. (30+6)×3=______×3+______×3 7×4+18×4
题型:解答题
问题:
填一填.
(30+6)×3=______×3+______×3
7×4+18×4=(______+______)×______
(40+4)×25=______×25+______×25
8×74+51×8=(______+______)×______.
填一填.
(30+6)×3=______×3+______×3
7×4+18×4=(______+______)×______
(40+4)×25=______×25+______×25
8×74+51×8=(______+______)×______.