题目内容
【题目】按运算顺序计算。
①63-27+15
②(89-35)÷9
③24÷(4×2)
④72÷(46-38)
⑤64-(35-7)
⑥15+6×7
【答案】解:
①63-27+15
=36+15
=51
②(89-35)÷9
=54÷9
=6
③24÷(4×2)
=24÷8
=3
④72÷(46-38)
=72÷8
=9
⑤64-(35-7)
=64-28
=36
⑥15+6×7
=15+42
=57
【解析】
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