题目内容
| 27×12-286÷13 | 25×294×4 | 7.02-4.63= |
| (339-67)×15÷24 | 4000÷125÷8 | 6.47+0.58= |
(1)27×12-286÷13,
=324-22,
=302;
(2)25×294×4,
=25×4×294,
=100×294,
=29400;
(3)7.02-4.63=2.39;
(4)(339-67)×15÷24,
=272×15÷24,
=4080÷24,
=170;
(5)4000÷125÷8,
=4000÷(125×8),
=4000÷1000,
=4;
(6)6.47+0.58=7.05.
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