问题
解答题
计算.
(1)42×[169-(78+35)]
(2)72÷[960÷(245-165)].
答案
(1)42×[169-(78+35)],
=42×[169-113],
=42×56,
=2352;
(2)72÷[960÷(245-165)],
=72÷[960÷80],
=72÷12,
=6.
计算.
(1)42×[169-(78+35)]
(2)72÷[960÷(245-165)].
(1)42×[169-(78+35)],
=42×[169-113],
=42×56,
=2352;
(2)72÷[960÷(245-165)],
=72÷[960÷80],
=72÷12,
=6.