Toán Lớp 6: a,(-7).(-2).(-5).8
b,49-[15+(-6)]
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Toán Lớp 6: a,(-7).(-2).(-5).8
b,49-[15+(-6)]
Comments ( 2 )
= -(7.2.5).8
= (-70).8
= -560
b,49-[15+(-6)]
=40