48.39' 67.41'=___ 90.-78.19'40＂=___ 21.17'乘以5=___ 176.52'除以3

48.39' 67.41'=___ 90.-78.19'40＂=___ 21.17'乘以5=___ 176.52'除以3 （80度-40度32分24秒）除以12等于___ 24度19分乘以5=___ 12-3=___,12-4=___,12-5=___,12-6=___, be good at =___ ___ ___ return from=___ ___ ___? pretty healthy= ___ ___ ___(填3个词) 按中文写出英语句子昨天的雨很大.___ ___ ___ ___ ___last night.=___ ___　___ l 2 2 2 2 2___+___+___+___+___ =1×3 3×5 5×7 7×9 9×11简算题 81.21°=___度___分___秒 Will you help me=Will you___ ___ ___ ___? the room is tidy =it is ___ ___ ___ to tell you the true=___ ___ ___