Question

reconstruiti lantul de calcule:
faceti clik pe imagine si se va mari

Answer 1

9,88:x=3,8
x=9,88:3,8=988/100:38/10=988/100·10/38=simplif=26/10=2,6
9,88:2,6=3,8

3,8-y=1,74
y=3,80-1,74=2,06
3,8-2,06=1,74

1,74xz=6,09
z=6,09:1,74=609/100:174/100=609/100·100/174=simplif.=203/58=3,5
1,74x3,5=6,09
deci
9,88:2,6=3,8-2,06=1,74x3,5=6,09