Jawaban

1. 400+39-125= 314,(bisa langsung di kerjakan)

2. 500-140+15= 375,(bisa langsung di kerjakan)

3. 9×8+67-20= 119

cara: (9×8)+67-20= 81+67-20=119.

4. 800:4×5-450= 550

cara: (800÷4)=200

lalu (200×5)= 1000, dan 1000-450=550.

5. 1550-15×5:3= 1525

cara: 1550-(15×5:3)= 1550-25= 1525

6. 8×8+200:5= 104

cara: (8×8)+(200:5)= 64+40= 104.

7. 15×10+225:25= 159

cara: (15×10)+(225:25)=150+9=159.

8. 4555-1000:50+20= 4555

cara: 4555-(1000:50)+20=4555-20+20=4555.

9. 24×5:6+2050-170= 1900

cara: (24×5:6)+2050-170= 20+2050-170=1900.

10. 81:9+300:10-5= 34

cara: (81:9)+(300:10)-5=9+30-5=34.