> 数学 >
简便运算0.96×2.4+4.8×0.
人气:277 ℃ 时间:2020-06-10 06:08:45
解答
0.96×2.4+4.8×0.02
=0.96×2.4+2.4×2×0.02
=0.96×2.4+2.4×0.04
=(0.96+0.04)×2.4
=1×2.4
=2.4
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版