题目内容
如果x-4=7.6,那么3x-5.76=______.
x-4=7.6,
x-4+4=7.6+4,
x=11.6;
则3x-5.76,
=3×11.6-5.76,
=34.8-5.76,
=29.04.
故答案为:29.04.
x-4+4=7.6+4,
x=11.6;
则3x-5.76,
=3×11.6-5.76,
=34.8-5.76,
=29.04.
故答案为:29.04.
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