Toán Lớp 4: a)2625÷(x ÷35)+405=440
b)7500÷(x×25)-25=50
c)x÷46+84=134
d)20×x÷50÷40+350=40
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Toán Lớp 4: a)2625÷(x ÷35)+405=440
b)7500÷(x×25)-25=50
c)x÷46+84=134
d)20×x÷50÷40+350=40
Comments ( 2 )
Đáp án : x=2625; x=4; x=2300; x=31000