Toán Lớp 4: 41. 7
—- – —-
7. 15
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Toán Lớp 4: 41. 7
—- – —-
7. 15
Comments ( 2 )
41/7 – 7/15
= (41×15)/(7×15) – (7×7)/(15×7)
= 615/105 – 49/105
= (615-49)/105
= 566/105
chữ hơi khó nhìn nha