递等式计算怎么算！
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第1个回答 2019-10-12
(9.8-4.6)÷0.13
=5.2÷0.13
=40
20.74-5.26-4.74
=20.74-(5.26+4.74)
=20.74-10
=10.74
5x0.4÷5x0.4
=(5÷5)x(0.4x0.4)
=1x0.16
=0.16追答
=5.2÷0.13
=40
20.74-5.26-4.74
=20.74-(5.26+4.74)
=20.74-10
=10.74
5x0.4÷5x0.4
=(5÷5)x(0.4x0.4)
=1x0.16
=0.16追答
还有1题写在下面：
5.6x2.9-5.6+8.1x5.6
=5.6x(2.9-1+8.1)
=5.6x10
=56
第2个回答 2019-10-12
第3个回答 2019-10-12
40 0.16 10.74 5.6×10=56
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