Toán Lớp 6: tìm x
a, 350 – ( 60 + x ) : 2 = 300
b, 500 : 10 – 3 . ( x + 7 ) = 20
Làm hai câu này thôi nhanh !!!
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Toán Lớp 6: tìm x
a, 350 – ( 60 + x ) : 2 = 300
b, 500 : 10 – 3 . ( x + 7 ) = 20
Làm hai câu này thôi nhanh !!!
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