1.150-100-12×10:3=
2.(21×13)-170+(+-102=
3.-20×(75+(-50)):(-100)=
4(-115+45)×27:3=
5.1.250+24×115-1.110
pake cara
2.(21×13)-170+(+-102=
3.-20×(75+(-50)):(-100)=
4(-115+45)×27:3=
5.1.250+24×115-1.110
pake cara
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Jawaban:
1.150-100-12×10:3=
= 50- ( 12×10) : 3
= 50 - ( 120:3 )
= 50 - 40
= 10
2.(21×13)-170+(+-102=
= 273 - 170 + (-102)
= 103 + (-102)
= 1
3.-20×(75+(-50)):(-100)=
= -20× ( 15 ) : ( -100 )
= -300 : ( -100 )
= 3
4(-115+45)×27:3=
= -70 × 27 : 3
= -70 × 9
= ( -630 )
5.1.250+24×115-1.110
= 1.250 + 2.760 - 1.110
= 4.010 - 1.110
= 2.900