Question

0.04×7.6+0.24×4用简便方法怎样计算？

Answer 1

原式=0.04×7.6+0.24×4
=0.4×0.76+0.24×4
=1.264

Answer 2

原式不能用简便算法，应该是0.4×7.6+0.24×4=4×0.76+0.24×4=4×（0.76+0.24）=4×1=4

Answer 3

简便方法如下:
0.04×7.6+0.24×4
=（0.076+0.24）×4
=0.316×4
=1.264

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Answer 4

这道题可以简便计算，运用四则运算法则，先观察取相同项，将0.04*7.6可变化为4*0.076,再取相同项4,将0.076和0.24相加的和，再乘以4即可。解题思路如下：0.04*7.6+0.24*4=4*0.076+4*0.24=4*(0.076+0.24)=4*0.316=1.264 谢谢

Answer 5

0.04ⅹ7.6+0.24ⅹ4
=4╳(7.6x0.01)+0.24ⅹ4
=4ⅹ0.076+0.24x4
=4ⅹ(0.076+0.24)
=4x0.316
=1.264