1+1+2×31-7+12-20+25×9
Jawaban :
1+1+2×31-7+12-20+25×9
= 1+1+62-7+12-20+225
= 2+62-7+12-20+225
= 64-7+12-20+225
= 57+12-20+225
= 69-20+225
= 49+225
= 274
Jawaban :
1+1+2×31-7+12-20+25×9
= 1+1+62-7+12-20+225
= 2+62-7+12-20+225
= 64-7+12-20+225
= 57+12-20+225
= 69-20+225
= 49+225
= 274