后简 13.24-1.37+6.76+2.63简算

13.24-1.37+6.76+2.63简算  

13.24-1.37+6.76+2.63简算

13.24-1.37+6.76+2.63
=13.24+6.76-1.37+2.63
=20+2.63-1.37
=22.63-(2-0.63)
=22.63-2+0.63
=20.63+0.63
=20+0.63×2
=20+1.26
=21.26

13.24-1.37+6.76-2.63的简便运算

13.24-1.37+6.76-2.63的简便运算
=（13.24+6.76）-（1.37+2.63）
=20-4
=16

简算4.5×25%+1.3×14+2.2×0.25 5.02-1.37-2.63 &n...

4.5×25%+1.3×

+2.2×0.25，
=（4.5+1.3+2.2）×

，
=8×

，
=2；
        
5.02-1.37-2.63，
=5.02-（1.37+2.63），
=5.02-4，
=1.02；

×40-

÷

，
=（

-

）×40，
=

×40，
=5．

38.69-13.24-6.76简便计算

38.69-13.24-6.76
=38.69-（13.24+6.76）
=38.69-20
=18.69

5.02-1.37-2.63=？简便运算

5.02-1.37-2.63
=5.02-（1.37+2.63）
=5.02-4
=1.02

1.37+0.68+2.63简便运算

1.37+0.68+2.63
=（1.37+2.63）+0.68
=4+0.68
=4.68

4.63-1.37 4.63-1.37简算

4.63-1.37+ 4.63-1.37
=（4.63+4.63）-（1.37+1.37）
=9.26-2.74
=6.52
，
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0.125+0.37+2.63 简算

0.125+(0.37+2.63)

3.24-0.78+6.76-0.22简算

3.24-0.78+6.76-0.22
=（3.24+6.76）-（0.78+0.22）
=10-1
=9