46 +36+85-66-33= 556+85-64-66+99=

46 + 36 + 85 - 66 -33 = 68
556 + 85 - 64 - 66 + 99 = 610

Kelas 1 Matematika
Bab Penjumlahan dan Pengurangan

a] 46 + 36 + 85 - 66 - 33
= (46 + 36 + 85) - 66 - 33
= 167 - 66 - 33
= 68

b] 556 + 85 - 64 - 66 + 99
= (556 + 85) - 64 - 66 + 99
= 641 - 64 - 66 + 99
= 511 + 99
= 610