递等式计算能桥算的就要算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34
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递等式计算能桥算的就要算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34)=
递等式计算能巧算的就巧算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34)=
递等式计算能巧算的就巧算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34)=
![递等式计算能桥算的就要算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34](/uploads/image/z/7124210-26-0.jpg?t=%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%E8%83%BD%E6%A1%A5%E7%AE%97%E7%9A%84%E5%B0%B1%E8%A6%81%E7%AE%97+3.9%2A1.4-0.4%2A30%3D+4.25-3.62%2B17.48%3D+5.68%2A%EF%BC%881.2-0.34)
3.9*1.4-0.4*30
=5.46-12
=-6.54
4.25-3.62+17.48
=0.63+17.48
=18.11
5.68*(1.2-0.34)
=5.68*0.86
=4.8848
=5.46-12
=-6.54
4.25-3.62+17.48
=0.63+17.48
=18.11
5.68*(1.2-0.34)
=5.68*0.86
=4.8848
递等式计算能桥算的就要算 3.9*1.4-0.4*30= 4.25-3.62+17.48= 5.68*(1.2-0.34
递等式计算,一步一步计算,今天就要答案,谢
递等式计算,能简算的简算
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计算.【递等式计算】:
用递等式计算,能简算的简算
递等式计算(能巧算的巧算)