50 x 147 + a x 1 = (50 + 1) x 147,02
7.350 + a = 51 x 147,02
a = 7.498,02 - 7.350
a = 148,02
Tinggi badan siswa baru = 148,02 cm
Matematika
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50 x 147 + a x 1 = (50 + 1) x 147,02
7.350 + a = 51 x 147,02
a = 7.498,02 - 7.350
a = 148,02
Tinggi badan siswa baru = 148,02 cm
Matematika