64.5÷[﹙6.07+2.53﹚×0.5]

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 11:21:49

64.5÷[﹙6.07+2.53﹚×0.5]
64.5÷[﹙6.07+2.53﹚×0.5]

64.5÷[﹙6.07+2.53﹚×0.5]
64.5÷[﹙6.07+2.53﹚×0.5]
=64.5÷﹙8.6×0.5)
=64.5÷4.3
=15

64.5÷[﹙6.07+2.53﹚×0.5]
=64.5÷(8.6*0.5)
=64.5÷0.5÷8.6
=129÷8.6
=15

64.5÷[﹙6.07+2.53﹚×0.5]=64.5÷(8.6*0.5)=64.5÷4.3=15