109408 : 526 = 208
810866 : 238 = 3407
656565 : 319 = 2058 du 63
13660 : 130= 105 du 10
tim x
a, x = 293
b, x= 309
\(109408\div526=208\)
\(810866\div238=3407\)
\(656565\div319=2058\)
\(13660\div130=105\)
2 phép đầu dư 0, phép thứ 3 dư 63, phép thứ 4 dư 10
a, \(517\times x=151481\)
\(x=151481\div517\)
\(x=293\)
b, \(195906\div x=634\)
\(x=195906\div634\)
\(x=309\)
109408 : 526 = 208
810866 : 238 = 3407
656565 : 526 = 2058 (dư 63)
13660 : 526 = 105 (dư 10)
a) 517 x x = 151481
x = 151481 : 517
x = 293
b) 195906 : x = 634
x = 195906 : 634
x = 309