Toán Lớp 6: bài 1
a,123+[54+(-123)+46]
b,12+22+(-20)+(-153)+8
c,9+(-10)+11+(12)+13+(-14)+15+(-16)
hộ mik nha
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Toán Lớp 6: bài 1
a,123+[54+(-123)+46]
b,12+22+(-20)+(-153)+8
c,9+(-10)+11+(12)+13+(-14)+15+(-16)
hộ mik nha
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