X - гуси и утки
x +4x = 20
5x = 20
x = 4 - утки
4x = 16 - гуси.
Ответ: 4 уток и 16 гусей.
(х+74)-83=46
(х+74)=46+83
(х+74)=129
х=129-74
х=55
<span>2 т 4 ц =2400 кг</span>
300ц =30000 кг
<span><span><span>2000 г = 2кг</span></span></span>
<span><span><span><span>5 кг = 5000 г</span></span></span></span>
<span><span><span><span><span>1 т = 1000000 г</span></span></span></span></span>
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