November 2018 1 79 Report
9)jumlah 2 bilangan x dan y adalah 7 kalimat matematikanya adalah...
a.y+7=x
b.x+y=7
c.7-y=×
d.x-y=7
10.) suatu persegi panjang mempunyai panjang (3x+4) cm dan lebar (x-1) cm.
bila kelilingnya 54 cm,maka luasnya
a.140cm
b.110 cm
c.56 cm
d.30 cm

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