37X6+80X4怎么算？

Question

如题所述

Answer 1

37*6+80*4
=222+320
=542

Answer 2

解：37×6+80×4

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=222+320

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=540

Answer 3

1.直接算:37×6+80×4=222+320=542
2.稍微简便点的:
37×6+80×4
=74×3+80×4
=(80－6)×3+80×4
=80×7－3×6
=560－18
=542