2.4X0.25怎样简便运算

2.4X0.25怎样简便运算

2.4X0.25
=4x0.6x0.25
=4x0.25x0.6
=1x0.6
=0.6
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12.5X0.25X2.4X28简便运算

12.5×0.25×2.4×28=(12.5×2.4)×(0.25×28)
=(12.5×0.8×3)×(0.25×4×7)
=(10×3)×(1×7)
=30×7
=210

2.4x1.02怎样简便运算

2.4*1.02
=2.4*(1+0.02)
=2.4+0.048
=2.448

2.4x0.25 怎么简便计算？

2.4×0.25
=0.6×4×0.25
=0.6×1
=0.6

2.4-2.4x0.8怎么简便运算

没有简便运算

(7.2x0.2)十(2.4x1.7)怎样简便运算

7.2*0.2+2.4*1.7
=2.4*3*0.2+2.4*1.7
=2.4*0.6+2.4*1.7
=2.4*(0.6+1.7)
=2.4*(2+0.3)
=2.4*2+2.4*0.3
=4.8+0.72
=5.52

0.36+0.64x0.25用简便运算

=0.36+0.64x0.25
=0.36+(0.16x4)x0.25
=0.36+0.16x(4x0.25)
=0.36+0.16x1
=0.36+0.16
=0.52

3.76X0.25-0.49怎样简便运算

3.76X0.25-0.49
=3.76÷4-0.49
=0.94-0.5+0.01
=0.44+0.01
=0.45

0.25乘2.4的简便运算

0.25X2.4
=0.25X4X0.6
=1X0.6
=0.6

2.4x0.19+0.24x8.1 简便运算

依然范特西摩羯 ，你好：
2.4×0.19＋0.24×8.1
＝0.24×1.9＋0.24×8.1
＝0.24×（1.9＋8.1）
＝0.24×10
＝2.4