脱式计算. 905-150×4 168×5÷6 (71+37)÷9 735÷7÷3

2020-10-28 社会 86阅读
(1)905-150×4,
=905-600,
=305;

(2)168×5÷6,
=840÷6,
=140;

(3)(71+37)÷9,
=108÷9,
=12;

(4)735÷7÷3,
=105÷3,
=35.
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