题目内容
看谁算得最正确.
| 780÷(123-97)+492 | 354÷59×(147+353) | (127-27×2)÷73 | 837÷27+75×40. |
(1)780÷(123-97)+492
=780÷26+492
=30+492
=522;
(2)354÷59×(147+353)
=354÷59×500
=6×500
=3000;
(3)(127-27×2)÷73
=(127-54)÷73
=73÷73
=1;
(4)837÷27+75×40
=31+3000
=3031.
=780÷26+492
=30+492
=522;
(2)354÷59×(147+353)
=354÷59×500
=6×500
=3000;
(3)(127-27×2)÷73
=(127-54)÷73
=73÷73
=1;
(4)837÷27+75×40
=31+3000
=3031.
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