Question

13.72×0.25+3.28÷4怎么简便运算？

Answer 1

3.28÷4等于3.28乘4的倒数，4的倒数是¼。所以：
13.72×0.25+3.28÷4
=13.72×0.25+3.28×0.25
=(13.72+3.28)×0.25
=17×0.25
=4.25

Answer 2

根据乘法分配律，可以使本题计算简便，原式=13.72 × 0.25 + 3.28 × 0.25=（13.72+3.28）×0.25=17×0.25=4.25。

Answer 3

原式＝13.72x0.25+3.28x0.25＝（13.72+3.28）x0.25＝17x0.25＝4.25

Answer 4

=13.72×0.25+3.28×0.25
=（13.72+3.28）×0.25
=17×0.25
=4.25

Answer 5

13.72×0.25＋3.28÷4
＝13.72×1/4＋3.28×1/4
＝1/4×（13.72＋3.28）
＝1/4×17
＝17/4