Viết lại câu sang truyền khiến.

1. They had an old man cut the grass in their garden.

-> They had the grass in their garden cut by an old man.

2. I asked my brother to fix the flat tyre yesterday.

-> I hàd my brother fix the flat tyre yester day.

=>I had the flat tyre fixed by my brother yesterday.

10x3^3(x-2)=(3¹¹⁷+3¹¹⁵):3¹⁰⁰

10x3^3(x-2)=3¹¹⁷:3¹⁰⁰+3¹¹⁵:3¹⁰⁰

10x3^3(x-2)=3^117-100+3^115-100

10x3^3(x-2)=3¹⁷+3¹⁵

10x3^3(x-2)=129 140 163+14 348 907

10x3^3(x-2)=143 489 070

3^3(x-2)=143 489 070:10

3^3(x-2)=14 348 907

3^3(x-2)=3¹⁵

=>3(x-2)=15

x-2=15:3

x-2=5

x=5+2

x=7