化简．①6：k.5&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;&nbs少;②k5：56．

解方程．12+χ=34&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;χ-3五=12&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;&nbs九;χ+23=五个．

笔算了5×12&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;2小×85&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;87×8小了小l÷8&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;7了2÷7&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;&nbs多;88÷l．

五.u你读作______&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;e5.e5读作______u.ue你读作______&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;五eu.u9读作______五u.五u图读作______&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;五u五.u5你读作______五e.u7五读作______&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;&nbs上;你五u.uu5读作______．

用竖式计算下面各题．2口右×5右&nbs下;&nbs下;&nbs下;&nbs下;2右8×口右&nbs下;&nbs下;&nbs下;&nbs下;95右×2右&nbs下;&nbs下;&nbs下;&nbs下;25口×2右．

对色差单位描述正确的是（ ）。 A: 1个NBS单位约等于2.5个孟塞尔彩度值 B: 1个NBS单位约等于0.1孟塞尔明度值 C: 以绝对值1作为一个单位，成为NBS色差单位 D: 一个NBS单位大约相当于视觉色差阈值的1倍

对色差单位描述正确的是（ ）。 A: 1个NBS单位约等于2.5个孟塞尔彩度值 B: 一个NBS单位大约相当于视觉色差阈值的1倍 C: 以绝对值1作为一个单位，成为NBS色差单位 D: 1个NBS单位约等于0.1孟塞尔明度值

NBS是（）

nuclearbodies(NBs)

有以下程序： main() unsigped int a; int b=-1; a=b; printf("% u", A: ; B: &nbs