31.8除以2.3加386除以46减去4.88除以0.23
来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/05/30 09:17:44
31.8除以2.3加386除以46减去4.88除以0.23
还有200.9乘200.8减200.5乘201.2
以及(85乘64乘90)÷(16乘17乘72)
和7.81乘49减去78.1乘3.8加0.78乘九十
和150除以【(83乘7减去90除以15)除以23乘8
还有200.9乘200.8减200.5乘201.2
以及(85乘64乘90)÷(16乘17乘72)
和7.81乘49减去78.1乘3.8加0.78乘九十
和150除以【(83乘7减去90除以15)除以23乘8
1.31.8/2.3=386/46-4.88/0.23
=318/23 +193/23 -488/23
=23/23
=1
2.200.9×200.8-200.5×200.8-200.5×0.4
=200.8×(200.9-200.5)-200.5×0.4
=200.8×0.4-200.5×0.4
=0.4×(200.8-200.5)
=0.4×0.3
=0.12
3.(85*64*90)/(16*17*72)
=(85/17)*(64/16)*(90/72)
=5*4*(5/4)
=25
4.好像应该是7.81乘49减去78.1乘3.8加0.781乘九十
7.81*49-78.1*3.8+0.781*九十
=78.1*4.9-78.1*3.8+78.1*0.9
=78.1*(4.9-3.8+0.9)
=78.1*2
=156.2
5.150/[(83*7-90/15)/23*8]
=150/[(581-6)/23*8]
=150/[575/23*8]
=150/[25*4*2]
=150/(100*2)
=150/200
=0.75
=318/23 +193/23 -488/23
=23/23
=1
2.200.9×200.8-200.5×200.8-200.5×0.4
=200.8×(200.9-200.5)-200.5×0.4
=200.8×0.4-200.5×0.4
=0.4×(200.8-200.5)
=0.4×0.3
=0.12
3.(85*64*90)/(16*17*72)
=(85/17)*(64/16)*(90/72)
=5*4*(5/4)
=25
4.好像应该是7.81乘49减去78.1乘3.8加0.781乘九十
7.81*49-78.1*3.8+0.781*九十
=78.1*4.9-78.1*3.8+78.1*0.9
=78.1*(4.9-3.8+0.9)
=78.1*2
=156.2
5.150/[(83*7-90/15)/23*8]
=150/[(581-6)/23*8]
=150/[575/23*8]
=150/[25*4*2]
=150/(100*2)
=150/200
=0.75
31.8除以2.3加386除以46减去4.88除以0.23
某数除以50减去3等于某数除以60加2咋个解方程
1.6加23.4除以7.2.07除以0.23在除以0.
102除以7加101除以7
1.2除以0.75加7.2除以24
963减去34乘以5除以2加15乘以1减0加32除以2等于几
9除以13加13除以9加11除以13加14除以9加6除以13急.
270除以30减去180除以30=(270
八分之七除以56.34减去87.5除以5634
1080除以20减去1080除以24怎样简算
1.252除以(负44)减去(负356)除以(负0.
x等于根号20减去4除以2,求X的平方加1除以X的平方的值