问题
解答题
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答案
X+40=65,
X+40-40=65-40,
X=25;
X-38=570,
X-38+38=570+38,
X=608;
X×6=156,
X×6÷6=156÷6,
X=26;
256÷X=64,
256÷X×X=64×X,
64X=256,
64X÷64=256÷64,
X=4.
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X+40=65,
X+40-40=65-40,
X=25;
X-38=570,
X-38+38=570+38,
X=608;
X×6=156,
X×6÷6=156÷6,
X=26;
256÷X=64,
256÷X×X=64×X,
64X=256,
64X÷64=256÷64,
X=4.