Toán Lớp 6: Câu a : (-87)+126+187+74
Câu b : -329+(115-101)-(15-440)
Câu c : 35+(-7).9+201-135+63
Câu d: -(-171+89+223)-(71-105-111)+223
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Toán Lớp 6: Câu a : (-87)+126+187+74
Câu b : -329+(115-101)-(15-440)
Câu c : 35+(-7).9+201-135+63
Câu d: -(-171+89+223)-(71-105-111)+223
Comments ( 2 )
Câu b : -329+(115-101)-(15-440)= 110
Câu c : 35+(-7).9+201-135+63= 101
Câu d: -(-171+89+223)-(71-105-111)+223= 227