
8.5-(5.6+4.8)/1.3 95+【35/(15-4*2)】 【(28+0.5)+105*3】/1.4 18.76-(14.67-15.3) 要简便计算 10
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没什么可简便的,这样的题自己算
8.5-(5.6+4.8)/1.3
= 8.5 - (56+48)/13
= 8.5 - 8
= 0.5
95+【35/(15-4*2)】
= 95+35/7
= 95+5
= 100
【(28+0.5)+105*3】/1.4
= (280+5+105*30)/14
= 280/14+105*30/14 + 5/14
= 20+225 + 5/14
= 245又5/14
18.76-(14.67-15.3)
= 18.76+15.3-14.67
= (18+15-14)+(0.76-0.67+0.3)
=19 + 0.39
= 19.39
8.5-(5.6+4.8)/1.3
= 8.5 - (56+48)/13
= 8.5 - 8
= 0.5
95+【35/(15-4*2)】
= 95+35/7
= 95+5
= 100
【(28+0.5)+105*3】/1.4
= (280+5+105*30)/14
= 280/14+105*30/14 + 5/14
= 20+225 + 5/14
= 245又5/14
18.76-(14.67-15.3)
= 18.76+15.3-14.67
= (18+15-14)+(0.76-0.67+0.3)
=19 + 0.39
= 19.39
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