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递等式计算:148÷4+37×64612-742÷7(974-857)÷3612-312÷6.

题目详情
递等式计算:
148÷4+37×6 4612-742÷7 (974-857)÷3 612-312÷6.
▼优质解答
答案和解析
(1)148÷4+37×6,
=37+222,
=259;

(2)4612-742÷7,
=4612-106,
=4506;

(3)(974-857)÷3,
=117÷3,
=39;

(4)612-312÷6,
=612-52,
=560.