脱式计算.(能简算的要简算)①14×75-624÷39②57÷9+47×19③23+(56-34)÷38④711÷[25-(1-710)].-数学
题文
脱式计算.(能简算的要简算) ①14×75-624÷39 ②
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答案
①14×75-624÷39 =1050-16, =1034; ②
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题文
脱式计算.(能简算的要简算) ①14×75-624÷39 ②
③
④
|
答案
①14×75-624÷39 =1050-16, =1034; ②
=
=(
=
=
③
=
|