计算: (1)36°+41′+41°32′; (2)360°÷7
问题描述:
计算: (1)36°+41′+41°32′; (2)360°÷7
答
1、36°+41′+41°32′=78°13‘
2、360°÷7=51°26’(约等于)能不能给步骤啊?过程如下,首先:1°=60'这个会反复用到。1、36°+41′+41°32′=36°41'+41°32'=77°73'=78°13';2、360°÷7=(357°+3°)÷7=51°+3°/7=51°+3*60‘/7=51°26’