0.25🇽3.7+8.6🇽0.025=0.025🇽(37+86)=0.025🇽123=4.14
0.25乘以3.7加8.6乘以0.025=0.25×3.7+0.86×0.25=0.25×（3.7+0.86）=0.25×4.56=0.25×4×1.14=1.14
