7.56×5.4=40.824,由此可以得到:756×5.4=______ 75.6×0.54=______
40.824÷5.4=______ 40.824÷54=______.
756×5.4=4082.4(乘积有一位小数);
75.6×0.54=40.824(乘积有三位小数);
40.824÷5.4=7.56(积÷一个因数=另一个因数);
40.824÷54=0.756(除数扩大10倍,被除数不变,商缩小10倍);
故答案为:4082.4,40.824,7.56,0.756.
7.56×5.4=40.824,由此可以得到:756×5.4=______ 75.6×0.54=______
40.824÷5.4=______ 40.824÷54=______.
756×5.4=4082.4(乘积有一位小数);
75.6×0.54=40.824(乘积有三位小数);
40.824÷5.4=7.56(积÷一个因数=另一个因数);
40.824÷54=0.756(除数扩大10倍,被除数不变,商缩小10倍);
故答案为:4082.4,40.824,7.56,0.756.