简便计算:4.8乘7.8加78乘0.52
简便计算:4.8乘7.8加78乘0.52
4.8*7.8+78*0.52=78*(0.48+0.52)=78*1=78
4.8乘7.8加78乘0.52怎么简便计算
48/10*78/10 7.8*5.2=48/10*78/10 78/10*52/10=78*(52 48)/100=78
解:
4.8×7.8+78×0.52
=4.8×7.8+7.8×10×0.52
=4.8×7.8+7.8×5.2
=(4.8+5.2)×7.8
=10×7.8
=78
4.8×7.8+78×0.52简便计算。
4.8×7.8+78×0.52
=4.8×7.8+7.8×5.2
=(4.8+5.2)×7.8
=10×7.8
=78
4.8*7.8+78*0.52的简便计算
4.8 * 7.8 + 78 * 0.52
= 0.48 * 78 + 78 * 0.52
= 78 * (0.48 + 0.52)
= 78 * 1
= 78
希望我的回答对您有帮助,满意请采纳,谢谢。
4.8×7.8+78×0.52 的简便计算
4.8×7.8+78×0.52
=7.8×﹙4.8+5.2)
=4.8×10
=48
4.8乘0.63加0.52乘6.3简便计算
4.8×0.63+0.52×6.3
=0.48×6.3+0.52×6.3
=6.3×(0.48+0.52)
=6.3×1
=6.3
希望我的回答对您有帮助,有问题可以追问。
满意请及时采纳,谢谢!
6.8加7.8加78乘以0.52加4.9减0.9的简便计算怎么算
6.8+7.8+78×0.52+4.9-0.9
=6.8+7.8+7.8×5.2+4
=6.8+7.8×(1+5.2) +4
=10.8+7.8×6.2
=10.8+(8-0.2)×6.2
=10.8+8×6.2-0.2×6.2
=10.8+49.6-1.24
=60.4-1.24
=59.16
7.8乘0.63加78乘0.36简便计算
78×0.63+78×0.36+0.78
=78×(0.63+0.36+0.01)
=78×1
=78