问题
解答题
递等式计算:
(58+37)÷(64-9×5)
95÷(64-45)×101
178-145÷5×6+42
812-700÷(9+31×11)
答案
(1)(58+37)÷(64-9×5)
=95÷(64-45)
=95÷19
=5;
(2)95÷(64-45)×101
=95÷19×101
=5×101
=505;
(3)178-145÷5×6+42
=178-29×6+42
=178-174+42
=4+42
=46;
(4)812-700÷(9+31×11)
=812-700÷(9+345)
=812-700÷350
=812-2
=810.