问题
选择题
计算(0.96+0.96+0.96+0.96)×2.5时最简便的算法是[ ]
A.0.96×2.5+0.96×2.5+0.96×2.5+0.96×2.5
B.0.96×4×2.5
C.0.96×(4×2.5)
答案
答案:C
计算(0.96+0.96+0.96+0.96)×2.5时最简便的算法是[ ]
A.0.96×2.5+0.96×2.5+0.96×2.5+0.96×2.5
B.0.96×4×2.5
C.0.96×(4×2.5)
答案:C