
脱式计算.500-36×12 2...
脱式计算.500-36×1228×25-240125+18×3323×18+48021×4×10300÷5×42....
脱式计算.500-36×12 28×25-240 125+18×33 23×18+480 21×4×10 300÷5×42.
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(1)500-36×12,
=500-432,
=68;
(2)28×25-240,
=700-240,
=460;
(3)125+18×33,
=125+594,
=719;
(4)23×18+480,
=414+480,
=894;
(5)21×4×10,
=84×10,
=840;
(6)300÷5×42,
=60×42,
=2520.
=500-432,
=68;
(2)28×25-240,
=700-240,
=460;
(3)125+18×33,
=125+594,
=719;
(4)23×18+480,
=414+480,
=894;
(5)21×4×10,
=84×10,
=840;
(6)300÷5×42,
=60×42,
=2520.
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