Toán Lớp 4: a) a + 0 =… + a =…
b) 5 + a = …+ 5
c) (a + 28) + 2 = a + (28 +…) = a +..
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Toán Lớp 4: a) a + 0 =… + a =…
b) 5 + a = …+ 5
c) (a + 28) + 2 = a + (28 +…) = a +..
Comments ( 2 )
a) a + 0 =0 + a = a
b) 5 + a = a + 5
c) (a + 28) + 2 = a + (28 + 2 ) = a + 30
Cho mik xin câu trả lời hay nhất +5* ạ . Cảm ơn
a) a + 0 = 0+ a = a
b) 5 + a = a + 5
c) (a + 28) + 2 = a + (28 + 2) = a + 30
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