数学题:(列简便运算(综合算式))求答案!记住!能简便的要简便!
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9÷45
=81.08
(3)81!记住!能简便的要简便!
(1)34.54×0.2
=7.62+0.508
=8.3×2.82
(4)3.04×10.2
=3.04×10+3.04×0.7+0.5÷2.81
=135.81
(6)2.5
=4.7
=135+0.5
=34.5×4÷(2.54×3.2
=2.54×3+2.5×4)
=138÷10
=13.8
(2)14.28÷3.5
=14.008
(5)50.3×2.7
=50×2.28÷7÷0.5
=2.04÷0.9÷9÷5
=9.2
=30.4+0.608
=31.1÷5
=1数学题:(列简便运算(综合算式))求答案
=81.08
(3)81!记住!能简便的要简便!
(1)34.54×0.2
=7.62+0.508
=8.3×2.82
(4)3.04×10.2
=3.04×10+3.04×0.7+0.5÷2.81
=135.81
(6)2.5
=4.7
=135+0.5
=34.5×4÷(2.54×3.2
=2.54×3+2.5×4)
=138÷10
=13.8
(2)14.28÷3.5
=14.008
(5)50.3×2.7
=50×2.28÷7÷0.5
=2.04÷0.9÷9÷5
=9.2
=30.4+0.608
=31.1÷5
=1数学题:(列简便运算(综合算式))求答案
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