题目内容
与12×25的得数不相等的算式是( )
①12×25,
=3×(4×25),
=3×100,
=300;
②12×25,
=10×25+2×25,
=250+50,
=300;
③12×25,
=12×(25×4)÷4,
=12×100÷4,
=300;
所以与12×25的得数不相等的算式是:12×20+5.
故选:B.
=3×(4×25),
=3×100,
=300;
②12×25,
=10×25+2×25,
=250+50,
=300;
③12×25,
=12×(25×4)÷4,
=12×100÷4,
=300;
所以与12×25的得数不相等的算式是:12×20+5.
故选:B.
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