问题
解答题
|
答案
48÷4×22,
=12×22,
=264;
25×4×8,
=100×8,
=800;
431-(12×15),
=431-180,
=251;
760-13×22,
=760-286,
=474;
(25+39)×12,
=64×12,
=768;
320×(300-284),
=320×16,
=5120.
|
48÷4×22,
=12×22,
=264;
25×4×8,
=100×8,
=800;
431-(12×15),
=431-180,
=251;
760-13×22,
=760-286,
=474;
(25+39)×12,
=64×12,
=768;
320×(300-284),
=320×16,
=5120.