解:依题意得算式,0.56×3.7+5.6×0.63=5.6×0.37+5.6×0.63=5.6×(0.37+0.63)=5.6×1=5.6即0.56×3.7+5.6×0.63=5.6
解:0.56×3.7+5.6×0.63=5.6×0.37+5.6×0.63=5.6×(0.37+0.63)=5.6×1=5.6