用递等式计算下列各题.496+250×1610.2-(1.25+2.5)÷1.537÷56+47×65920÷[34×(25+13)].-数学
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答案
(1)496+250×16, =496+250×4×4, =496+1000×4, =496+4000, =4496; (2)10.2-(1.25+2.5)÷1.5, =10.2-3.75÷1.5, =10.2-2.5, =7.7; (3)
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题文
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答案
(1)496+250×16, =496+250×4×4, =496+1000×4, =496+4000, =4496; (2)10.2-(1.25+2.5)÷1.5, =10.2-3.75÷1.5, =10.2-2.5, =7.7; (3)
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(4)
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