hitunglah hasil operasi bilangan berikut a. -8 × (-32 + 17) b. [ -12 - (-30)] × (-21) c. 9× (-4 × 5) × (10 - 14) d. (-15 + 7 ) × 50 × [5× (-12)] e. [14 × (-7)]
Matematika
johanagracia
Pertanyaan
hitunglah hasil operasi bilangan berikut
a. -8 × (-32 + 17)
b. [ -12 - (-30)] × (-21)
c. 9× (-4 × 5) × (10 - 14)
d. (-15 + 7 ) × 50 × [5× (-12)]
e. [14 × (-7)] + [-19 × (-8)]
f. -8 - [4 × 15] + [11 × (-7)]
pakai jalan
a. -8 × (-32 + 17)
b. [ -12 - (-30)] × (-21)
c. 9× (-4 × 5) × (10 - 14)
d. (-15 + 7 ) × 50 × [5× (-12)]
e. [14 × (-7)] + [-19 × (-8)]
f. -8 - [4 × 15] + [11 × (-7)]
pakai jalan
1 Jawaban
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1. Jawaban Hanakh
a). -8 × -15 = 120
b). 18 × -21 = -378
c). 9 × -20 × -4 = -180 × -4 = 720
d). -8 × 50 × -60 = -400 × -60 = 24000
e). -98 + 152 = 54
f). -8 - 60 + -77 = -68 + -77 = -145
semoga gk ada yg keliru