(1.5减去3/8)÷[1/25×(0.4+2又1/10)] 简便运算 0.258×640+3又1/2×25.8+258×0.01 简便运算(1.5减去3/8)÷[1/25×(0.4+2又1/10)]0.258×640+3又1/2×25.8+258×0.01 简便运算

问题描述:

(1.5减去3/8)÷[1/25×(0.4+2又1/10)] 简便运算 0.258×640+3又1/2×25.8+258×0.01 简便运算
(1.5减去3/8)÷[1/25×(0.4+2又1/10)]
0.258×640+3又1/2×25.8+258×0.01 简便运算