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415×5+3247÷4+0.25×124.

题目详情
4
1
5
×5+32
4
7
÷4+0.25×124.
▼优质解答
答案和解析
4
1
5
×5+32
4
7
÷4+0.25×124,
=
21
5
×5+(32+
4
7
)×
1
4
+
1
4
×124,
=21+32×
1
4
+
4
7
×
1
4
+31,
=21+8+
1
7
+31,
=60
1
7