0.26乘以9.8减0.74乘以0.2的简便运算、

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0.26乘以9.8减0.74乘以0.2的简便运算、0.26乘以9.8减0.74乘以0.2的简便运算、0.26乘以9.8减0.74乘以0.2的简便运算、0.26乘以9.8减0.74乘以0.2=0.26x

0.26乘以9.8减0.74乘以0.2的简便运算、
0.26乘以9.8减0.74乘以0.2的简便运算、

0.26乘以9.8减0.74乘以0.2的简便运算、
0.26乘以9.8减0.74乘以0.2
=0.26x9.8-0.74x0.2
=0.26x9.8-(1-0.26)x0.2
=0.26x9.8-0.2+0.2x0.26
=0.26(9.8+0.2)-0.2
=0.26x10-0.2
=2.6-0.2
=2.4
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0.26 * 9.8 - 0.74 * 0.2
= 0.26 *9.8 - (1 -0.26) *0.2
= 0.26* (9.8 +0.2) - 1*0.2
=2.6 - 0.2
= 2.4

0.26*10-(0.74+0.26)*0.2 =2.6-0.2=2.4