Toán Lớp 6: (+15).(+3)
(+7).(+8)
-14.(-5)
9.15
3.45
(-10).(-7)
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Toán Lớp 6: (+15).(+3)
(+7).(+8)
-14.(-5)
9.15
3.45
(-10).(-7)
Comments ( 2 )
a)\left( { + 15} \right).\left( { + 3} \right)\\
= 15.3\\
= 45\\
b)\left( { + 7} \right).\left( { + 8} \right)\\
= 7.8\\
= 56\\
c) – 14.\left( { – 5} \right)\\
= 70\\
d)9.15\\
= 135\\
e)3.45\\
= 135\\
f)\left( { – 10} \right).\left( { – 7} \right)\\
= 70
\end{array}\]