455÷90约等于多少？

Question

如题所述

Answer 1

455÷90约等于5.06，计算过程
455÷90
=450÷90+50÷90
=5+0.5555
=5.0555...
≈5.06

Answer 2

455除以90等于91/18，约等于5.0556，结果是无限循环小数

Answer 3

455÷90≈5.06

Answer 4

CAS号455-90-3的中文名称 固红 RL英文名称 2-METHYL-4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE英文别名 4-nitro-o-toluenediazoniutetrafluoroborate(1-);diazolreds;2-methyl-4-nitro-benzenediazoniutetrafluoroborate(1-);diazolered4s;4-nitro-o-toluenediazoniumtetrafluoroborate;Fast Red RL salt;2-Methyl-4-nitrobenzenediazonium tetrafluoroborate;FAST RED RL SALT;5-nitrotoluene-2-diazonium tetrafluoroborate;结构式：