问题
解答题
4.5÷(0.5+1.5)=4.5÷0.5+4.5÷1.5______.(判断对错)
答案
4.5÷(0.5+1.5),
=4.5÷2,
=2.25;
4.5÷0.5+4.5÷1.5,
=9+3,
=12;
因为2.25≠12,
所以4.5÷(0.5+1.5)≠4.5÷0.5+4.5÷1.5.
故答案为:×.
4.5÷(0.5+1.5)=4.5÷0.5+4.5÷1.5______.(判断对错)
4.5÷(0.5+1.5),
=4.5÷2,
=2.25;
4.5÷0.5+4.5÷1.5,
=9+3,
=12;
因为2.25≠12,
所以4.5÷(0.5+1.5)≠4.5÷0.5+4.5÷1.5.
故答案为:×.