问题
解答题
|
答案
16×5×7
=80×7
=560;
360+25×4
=360+100
=460;
(26+74)÷5
=100÷5
=20;
120-360÷4
=120-90
=30;
4×(287-132)
=4×165
=660;
75+25×4
=75+100
=175.
|
16×5×7
=80×7
=560;
360+25×4
=360+100
=460;
(26+74)÷5
=100÷5
=20;
120-360÷4
=120-90
=30;
4×(287-132)
=4×165
=660;
75+25×4
=75+100
=175.