Jawaban:
1.= 15
2.= 50
3.= 127
4.= -82
5.= -130
6.= 100
7.= -29
8.= -71
9.= 325
10.= -64
Penjelasan dengan langkah-langkah:
Penjelasan:
+ :× - = -
- :× + = -
- :× - = +
+ :× + = +
Cara:
1. 120:(-4)+45
= -30+45
= 15
2. -72:(-18)×9-(-14)
= 4×9+14
=36+14
=50
3. 81:(-9)+(-17)×(-8)
= -9+136
=127
4. -86+(-32-10):(-12)
= -86+22:(-12)
= -86+(-1)
= -82
5.(-75×2)+(-50×(-4):10
= -150+200:10
= -130
6. 120+(-68)-8×(-6)
=120+(-68)-(-48)
=120+(-68)+48
=52+48
=100
7.54×(-10):9+248:8
= -540:9+31
= -60+31
= -29
8. -66:6-(-12)+(-72)
= -11+12+(-72)
= -71
9.150×(-120:(40))-125
=150×3-125
=450-125
=325
10. -56+(-48):(-4)-20
= -56+12-20
= -44-20
ᴘɪɴᴊᴀᴍ ʙᴇʀᴛᴀᴍʙᴀʜ
= -64
1. 15
2. 50
3. 127
4. -82
5. -130
6. 100
7. -29
8. -71
9. 325
10. -64
1. 120 : (-4) + 45
= -30 + 45
2. -72 : (-18) × 9 - (-14)
= 4 × 9 - (-14)
= 36 - (-14) ==> 36 + 14
= 50
3. 81 : (-9) + (-17) × (-8)
= -9 + (-17) × (-8)
= -9 + 136
= 127
4. -86 + (-32 - 16) : (-12)
= -86 + (-48) : (-12)
= -86 + 4
5. (-75 × 2) + (-50 × [-4]) : 10
= -150 + (-50 × [-4]) : 10
= -150 + 200 : 10
= -150 + 20
6. 120 + (-68) - 8 × (-6)
= 120 + (-68) - (48) ==> 120 - 68 - 48
= 52 - (-48) ==> 52 + 48
= 100
7. 54 × (-10) : 9 + 248 : 8
= -540 : 9 + 248 : 8
= -60 + 248 : 8
= -60 + 31
8. -66 : 6 - (-12) + (-72)
= -11 - (-12) + (-72) ==> -11 + 12 - 72
= 1 - 72
9. 150 × (-120 : [-40]) - 125
= 150 × 3 - 125
= 450 - 125
= 325
10. -56 + (-48) : (-4) - 20
= -56 + 12 - 20
= -44 - 20
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Jawaban:
1.= 15
2.= 50
3.= 127
4.= -82
5.= -130
6.= 100
7.= -29
8.= -71
9.= 325
10.= -64
Penjelasan dengan langkah-langkah:
Penjelasan:
+ :× - = -
- :× + = -
- :× - = +
+ :× + = +
Cara:
1. 120:(-4)+45
= -30+45
= 15
2. -72:(-18)×9-(-14)
= 4×9+14
=36+14
=50
3. 81:(-9)+(-17)×(-8)
= -9+136
=127
4. -86+(-32-10):(-12)
= -86+22:(-12)
= -86+(-1)
= -82
5.(-75×2)+(-50×(-4):10
= -150+200:10
= -130
6. 120+(-68)-8×(-6)
=120+(-68)-(-48)
=120+(-68)+48
=52+48
=100
7.54×(-10):9+248:8
= -540:9+31
= -60+31
= -29
8. -66:6-(-12)+(-72)
= -11+12+(-72)
= -71
9.150×(-120:(40))-125
=150×3-125
=450-125
=325
10. -56+(-48):(-4)-20
= -56+12-20
= -44-20
ᴘɪɴᴊᴀᴍ ʙᴇʀᴛᴀᴍʙᴀʜ
= -64
Jawaban:
1. 15
2. 50
3. 127
4. -82
5. -130
6. 100
7. -29
8. -71
9. 325
10. -64
Penjelasan dengan langkah-langkah:
1. 120 : (-4) + 45
= -30 + 45
= 15
2. -72 : (-18) × 9 - (-14)
= 4 × 9 - (-14)
= 36 - (-14) ==> 36 + 14
= 50
3. 81 : (-9) + (-17) × (-8)
= -9 + (-17) × (-8)
= -9 + 136
= 127
4. -86 + (-32 - 16) : (-12)
= -86 + (-48) : (-12)
= -86 + 4
= -82
5. (-75 × 2) + (-50 × [-4]) : 10
= -150 + (-50 × [-4]) : 10
= -150 + 200 : 10
= -150 + 20
= -130
6. 120 + (-68) - 8 × (-6)
= 120 + (-68) - (48) ==> 120 - 68 - 48
= 52 - (-48) ==> 52 + 48
= 100
7. 54 × (-10) : 9 + 248 : 8
= -540 : 9 + 248 : 8
= -60 + 248 : 8
= -60 + 31
= -29
8. -66 : 6 - (-12) + (-72)
= -11 - (-12) + (-72) ==> -11 + 12 - 72
= 1 - 72
= -71
9. 150 × (-120 : [-40]) - 125
= 150 × 3 - 125
= 450 - 125
= 325
10. -56 + (-48) : (-4) - 20
= -56 + 12 - 20
= -44 - 20
= -64
semoga membantu