
用递等式计算.67+5.15+2.33; (490+36×3)÷23; &...
用递等式计算.67+5.15+2.33;(490+36×3)÷23;268÷67+36×4....
用递等式计算.67+5.15+2.33; (490+36×3)÷23; 268÷67+36×4.
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(1)67+5.15+2.33
=72.15+2.33
=74.38;
(2)(490+36×3)÷23
=(490+108)÷23
=598÷23
=26;
(3)268÷67+36×4
=4+144
=148.
=72.15+2.33
=74.38;
(2)(490+36×3)÷23
=(490+108)÷23
=598÷23
=26;
(3)268÷67+36×4
=4+144
=148.
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