I Have to Be Perfect: (And Other Parsonage Heresies)

I Have to Be Perfect: (And Other Parsonage Heresies)

Matematika lengkapilah perkalian berikut
a. (-3) × =-9
b. 5× =100
c. ×(-14) =140
d. ×12=132
e. × =160

lengkapilah perkalian berikut
a. (-3) × =-9
b. 5× =100
c. ×(-14) =140
d. ×12=132
e. × =160

Jawaban:

a. (-3) × 3 = -9

b. 5 × 20 =100

c. -10 × (-14) =140

d. 11 ×12 = 132

e. soal tidak lengkap

Penjelasan dengan langkah-langkah:

a.

[tex]5×x =100 \\ x = \frac{100}{5} \\ x = 20[/tex]

b.

[tex]5× x=100 \\ x = \frac{100}{5} \\ x = 20[/tex]

c.

[tex]x×(-14) =140 \\ x = - \frac{140}{14} \\ x = - 10[/tex]

d.

[tex]x×12=132 \\ x = \frac{132}{12} \\ x = 11[/tex]

e. × =160

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