Question

2.6*3+1.4*3简算

Answer 1

2.6*3+1.4*3简算

2.6*3+1.4*3
=(2.6+1.4)x3
=4x3
=12

2.6×3+1.4×3简便方法计算

简便计算过程如下：
2.6×3+1.4×3
=（2.6+1.4）×3
=4×3
=12

0.62×3+1.4÷0.7简便运算

0.62×3+1.4÷0.7
=1.86+2
=3.86

递等式计算，能简算的要简算2.6+1.4×3； 0.25×1...

①2.6+1.4×3
=2.6+4.2
=6.8
           
②0.25×13.7×4
=0.25×4×13.7
=1×13.7
=13.7
      
③1.6×（2.25+10.5÷1.5）
=1.6×（2.25+7）
=1.6×（9+0.25）
=1.6×9+4×0.25×0.4
=14.4+0.4
=14.8

④0.65×6.4-0.65×5.4 
=0.65×（6.4-5.4）
=0.65×1
=0.65

⑤19.5÷0.4÷0.25
=19.5÷（0.4×0.25）
=19.5÷0.1
=195

0.21÷1.4＋2.6能简算吗

不能简算。
原式=0.15+2.6
=2.75

13.7-25.2÷(2.6+1.4)简算

=13.7-25.2÷4
=13.7-6.3
=7.4
直接计算即可。

13.2一2.6x1.4简算

13.2-2.6×1.4=9.56
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0.21÷1.4+2.6怎么简算

0.21÷1.4+2.6
=0.15+2.6
=2.75
没有更简便的方法

0.96x1.4+2.6x0.64简算

提取0.64
=0.64×(3×0.7十2.6)

8.6十1.4x2.6简算

8.6+1.4x2.6
=8.6+1.4x（2+0.6）
=8.6+1.4x2+1.4x0.6
=8.6+2.8+0.84
=11.4+0.84
=12.24