问题
解答题
根据运算顺序计算
700+900÷15×6
1450÷[2×(16+9)]
420+80÷(375-355)
答案
(1)700+900÷15×6
=700+60×6
=700+360
=1060;
(2)1450÷[2×(16+9)]
=1450÷[2×25]
=1450÷50
=29;
(3)420+80÷(375-355)
=420+80÷20
=420+4
=424.
根据运算顺序计算
700+900÷15×6
1450÷[2×(16+9)]
420+80÷(375-355)
(1)700+900÷15×6
=700+60×6
=700+360
=1060;
(2)1450÷[2×(16+9)]
=1450÷[2×25]
=1450÷50
=29;
(3)420+80÷(375-355)
=420+80÷20
=420+4
=424.