问题
解答题
用递等式计算.
150÷30×52
4200-8×307
765÷(80-29)
(78+16)×14.
答案
(1)150÷30×52,
=5×52,
=260;
(2)4200-8×307,
=4200-2456,
=1744;
(3)765÷(80-29),
=765÷51,
=15;
(4)(78+16)×14,
=94×14,
=1316.
用递等式计算.
150÷30×52
4200-8×307
765÷(80-29)
(78+16)×14.
(1)150÷30×52,
=5×52,
=260;
(2)4200-8×307,
=4200-2456,
=1744;
(3)765÷(80-29),
=765÷51,
=15;
(4)(78+16)×14,
=94×14,
=1316.