简便计算:2.9×0.58+5.8×0.21

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 04:10:08
简便计算:2.9×0.58+5.8×0.21

简便计算:2.9×0.58+5.8×0.21
简便计算:2.9×0.58+5.8×0.21

简便计算:2.9×0.58+5.8×0.21
2.9×0.58+5.8×0.21
=5.8×(0.29+0.21)
=5.8×0.5
=2.9;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,

2.9×0.58+5.8×0.21=5.8×0.29+5.8×0.21
=5.8×(0.29+0.21)
=5.8×0.5
=2.9