题目内容
| 混合运算. 48÷4×22 | 25×4×8 | 431-(12×15) |
| 760-13×22 | (25+39)×12 | 320×(300-284) |
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.
=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.
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