问题
解答题
递等式计算.
15×27-3000÷25
216+64×42÷28
(324-285)×12÷26.
答案
(1)15×27-3000÷25,
=405-120,
=285;
(2)216+64×42÷28,
=216+2688÷28,
=216+96,
=312;
(3)(324-285)×12÷26,
=39×12÷26,
=468÷26,
=18.
递等式计算.
15×27-3000÷25
216+64×42÷28
(324-285)×12÷26.
(1)15×27-3000÷25,
=405-120,
=285;
(2)216+64×42÷28,
=216+2688÷28,
=216+96,
=312;
(3)(324-285)×12÷26,
=39×12÷26,
=468÷26,
=18.