Toán Lớp 6: giúp mình nha
(-85) + 63 + (-15) + 37 ==
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Toán Lớp 6: giúp mình nha
(-85) + 63 + (-15) + 37 ==
Comments ( 2 )
(-85) + 63 + (-15) + 37
= [-85 + (-15)] + (63 + 37)
= -100 + 100
= 0
(-85) + 63 + (-15) + 37
= [(-85) -15}] + (63 + 37 )
= -100 + 100
=0