188+97+12=235+36+45=372+89+38=464+28+24=597+24+3=682-55-27=725×23×4=8125×16=932×25×

发布时间:2020-08-11 23:48:51

188+97+12=235+36+45=372+89+38=464+28+24=597+24+3=682-55-27=725×23×4=8125×16=932×25×25=

网友回答

解:188+97+12,
=188+12+97,
=200+97,
=297;

235+36+45,
=235+45+36,
=280+36,
=316;

372+89+38,
=372+38+89,
=410+89,
=499;

464+28+24,
=492+24,
=516;

597+24+3,
=597+3+24,
=600+24,
=624;

682-55-27,
=682-(55+27),
=682-82,
=600;

725×23×4,
=725×4×23,
=2900×23,
=66700;

8125×16,
=8125×8×2,
=65000×2,
=130000;

932×25×25,
=23300×25,
=582500.
解析分析:结合运算符号和数字特点,利用运算定律简算;不能简算的按照运算顺序计算即可.

点评:计算要做到灵活,注意运算符号与数字的关系.
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