2又2/5*73+91*7又3/5+1.8*24=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 14:58:58
![2又2/5*73+91*7又3/5+1.8*24=?](/uploads/image/z/1788911-71-1.jpg?t=2%E5%8F%882%2F5%2A73%2B91%2A7%E5%8F%883%2F5%2B1.8%2A24%3D%3F)
x
0ii-IYt Ct |r7aYF /ݏmNqY*YL&㙯!m=UQNncF1s,h^Ʌ; з"t_é}»=L4Lɬ!0:FDuJ!R.s\i,:n6,_C;JГibٟk5ÿ
2又2/5*73+91*7又3/5+1.8*24=?
2又2/5*73+91*7又3/5+1.8*24=?
2又2/5*73+91*7又3/5+1.8*24=?
2又2/5*73+91*7又3/5+1.8*24
=2.4*73+91*7.6+18*2.4
=2.4*(73+18)+91*7.6
=2.4*91+91*7.6
=91*(2.4+7.6)
=91*10
=910
12*73/5+38*91/5+9*24/5=(12*73+9*24)/5+38*91/5
=(12*73+12*18)/5+38*91/5=12*91/5+38*91/5
=(12+38)*91/5=50*91/5=10*91=910
2又2/5*73+91*7又3/5+1.8*24
=2.4*73+91*7.6+18*2.4
=2.4*73+91*(10-2.4)+18*2.4
=2.4*(73-91+18)+91*10
=910
2又2/5*73+91*7又3/5+1.8*24
=2又2/5*73+73*7又3/5+18*7.6+1.8*24
=(2又2/5+7又3/5)*73+1.8*76+1.8*24
=10*73+1.8*(76+24)
=730+180
=910