41.6-13.68+8.4-5.32
=（41.6+8.4)-（13.68+5.32）
=50-19
=31
猜你喜欢
- 1在玻璃杯中放入鸡蛋(带壳)和水,倒入稀盐酸,为什么鸡蛋会上浮然后下沉,往复循环
- 2Is Beijing ____(hot) than Wuhan?No,it isn't.Which city is ____(nice),Hong Kong or Shanghai?
- 3曲的多音字组词
- 4you came here at a bad time of year
- 5People are always afraid of making mistakes.But sometimes it’s not bad to make mistakes,and her
- 6it doesn't matter与That's all right 区别
- 7抛物线图象过（1，-2），对称轴x=2，且这个函数最小值为-3，求二次函数解析式．
- 8上面一个合下面一个龙念什么字
- 9这些冰淇淋真好吃用英语怎么说?
- 10常见的沉淀有哪些?分别是什么颜色的?