Phạm Văn Phú | Chat Online
14/09/2024 00:54:07

Số? a) 34 + 99 = + 34 13 + 297 = 297 + 201 + 118 = + 201 b) 9 + = 9 61 + = 61 (24 + 8) + 12 = 24 + (8 + ) 8 + 6 + 4 = 8 + (6 + ) 63 + 37 + 98 = (63 + ) + 98 + 0 = 87 + 10 = 10


Số?

a) 34 + 99 = + 34

13 + 297 = 297 +

201 + 118 = + 201

b) 9 + = 9

61 + = 61

(24 + 8) + 12 = 24 + (8 + )

8 + 6 + 4 = 8 + (6 + )

63 + 37 + 98 = (63 + ) + 98

+ 0 = 87

+ 10 = 10
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