问题描述:
9分之4乘中括号0.75-括号16分之7-0.25括号中括号的简便计算4/9×[0.75-(7/16-0.25)]的简便计算
最佳答案:
4/9×[0.75-(7/16-0.25)]
=4/9×[1/4×(7/16-1/4)]
=4/9×1/4×(7/16-1/4)
=1/9×3/16
=1/48
(我能想到的就只有这些了,望采纳,谢谢)
9分之4乘中括号0.75-括号16分之7-0.25括号中括号的简便计算4/9×[0.75-(7/16-0.25)]的简便计算
问题描述:
9分之4乘中括号0.75-括号16分之7-0.25括号中括号的简便计算4/9×[0.75-(7/16-0.25)]
=4/9×[1/4×(7/16-1/4)]
=4/9×1/4×(7/16-1/4)
=1/9×3/16
=1/48
(我能想到的就只有这些了,望采纳,谢谢)