列递等式计算,能简算的要简算.9470-104×654.49+4.84+4.51+4.1688×(511-14)[35-(34-25)]÷14[34-(56-23)]÷54920÷[12×(25+45)].-数学
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答案
(1)9470-104×65, =9470-6760, =2710; (2)4.49+4.84+4.51+4.16, =(4.49+4.51)+(4.84+4.16), =9+9, =18; (3)88×(
=88×
=40-22, =18; (4)[
=[
=[1-
=
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