a) 12-6-.....=12-8 b 12 - 7 = 12 - ...- 5 c) 32 - ..... - 2 = 32 - 10 d) 42 - 9 = 42 - .... -
2 câu trả lời
a) 12-6-.2....=12-8
b) 12 - 7 = 12 - ..2.- 5
c) 32 - ..8... - 2 = 32 - 10
d) 42 - 9 = 42 - .7... -2
Đáp án:
a) 12-6-2=12-8
b) 12-7=12-2-5
c) 32-8-2=32-10
d) 42-9=42-2-7
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