(1⼀48+2⼀51)×16+19÷51 简便计算

2025-01-01 14:53:09
推荐回答(1个)
回答1:

(1/48+2/51)×16+19÷51
=1/48X16+2/51X16+19/51
=1/3+1/51X(2X16+19)
=1/3+1/51X51
=1/3+1
=4/3