①625×80-2520÷24②(6+10.88÷3.2)×1.5③19×1013+813÷9④[(65-12)÷14]×43.-数学
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答案
①625×80-2520÷24, =50000-105, =49895; ②(6+10.88÷3.2)×1.5, =(6+3.4)×1.5, =9.4×1.5, =14.1; ③
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题文
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答案
①625×80-2520÷24, =50000-105, =49895; ②(6+10.88÷3.2)×1.5, =(6+3.4)×1.5, =9.4×1.5, =14.1; ③
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