脱式计算:①4412÷4+204×6??????②473-(473-95)③7362÷9×8④7060-175×6???????⑤624-128)÷4?????⑥40

发布时间:2020-08-10 07:17:57

脱式计算:
①4412÷4+204×6??????②473-(473-95)③7362÷9×8④7060-175×6???????⑤624-128)÷4?????⑥4015÷5-2190÷3⑦6000÷8-57×6.

网友回答

解:①4412÷4+204×6,
=1103+1224,
=2327;

②473-(473-95),
=473-378,
=95;

③7362÷9×8,
=818×8,
=6544;

④7060-175×6,
=7060-1050,
=6010;

⑤(624-128)÷4,
=496÷4,
=124;

⑥4015÷5-2190÷3,
=803-730,
=73;

⑦6000÷8-57×6,
=750-342,
=408.
解析分析:①先同时运算除法和乘法,再算加法;
②先算小括号里面的减法,再算括号外的减法;
③按照从左到右的顺序计算;
④先算乘法,再算减法;
⑤先算小括号里面的减法,再算括号外的减法;
⑥先同时运算除法,再算减法;
⑦先同时运算除法和乘法,再算加法.

点评:本题考查了简单的四则混合运算,计算时先理清楚运算顺序,根据运算顺序逐步求解即可.
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