用递等式计算.654-54×8=480÷32-15=97+412÷4=54×(71-33)=(227-57)÷34=900÷(90÷2

2024-12-29 23:00:38
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回答1:

(1)654-54×8
=654-432
=222;

(2)480÷32-15
=15-15
=0;

(3)97+412÷4
=97+103
=200;

(4)54×(71-33)
=54×38
=2052;

(5)(227-57)÷34
=170÷34
=5;

(6)900÷(90÷2)
=900÷45
=20.