-20:4+1×5-10 harus ada jalan

Operasi Bilangan Bulat
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-20 : 4 + 1 × 5 - 10
=> (-20 : 4) + (1 × 5) - 10
=> -5 + 5 - 10
=> -10

- 20 : 4 + 1 × 5 - 10 = - ( 20 : 4 ) + ( 1 × 5 ) - 10

= - 5 + 5 - 10

= 0 - 10 = - 10


* Semoga jawabannya benar ya...