递等式计算(能简便的用简便方法计算)谢谢

2025-03-01 23:28:54
推荐回答(2个)
回答1:

0.8×(0.25+2.5+25)×0.4
=0.8×(0.25×0.4+2.5×0.4+25×0.4)
=0.8×0.1+0.8×1+0.8×10
=0.08+0.8+8
=8.88

回答2:

2B吧你