脱式计算(带●的要简算)13.25-18÷4.5+7.61÷[(14-10%)÷32]●57÷9+47×19●65×(29×65+56)-数学
题文
脱式计算(带●的要简算)
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答案
(1)13.25-18÷4.5+7.6, =13.25-4+7.6, =9.25+7.6, =16.85; (2)1÷[(
=1÷[(
=1÷[
=1÷
=1×30, =30; (3)
=
=(
=
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题文
脱式计算(带●的要简算)
|
答案
(1)13.25-18÷4.5+7.6, =13.25-4+7.6, =9.25+7.6, =16.85; (2)1÷[(
=1÷[(
=1÷[
=1÷
=1×30, =30; (3)
=
=(
=
|