1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,
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![1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,](/uploads/image/z/59793-33-3.jpg?t=1.85%E4%B9%980.17%E5%8A%A00.83%E4%B9%980.83%E7%AE%80%E7%AE%97%E6%80%8E%E4%B9%88%E7%AE%97%2C%E5%BE%97%E5%A4%9A%E5%B0%91%E8%A6%81%E7%AE%97%E5%BC%8F%2C%E5%9C%A8%E4%B8%8B%E5%8D%881%E7%82%B9%E5%8D%8A%E5%89%8D%2C)
1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,
1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,
1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,
你是不是题目抄错了.
1.83*0.17+0.83*0.83
=(1+0.83)*0.17+0.83*0.83
=0.17+0.83*0.17+0.83*0.83
=0.17+0.83*(0.17+0.83)
=0.17+0.83
=1
1.85x0.17+0.83x0.83
=1.85x0.17+0.83x(1-0.17)
=1.85x0.17-0.83x0.17+0.83
=(1.85-0.83)x0.17+0.83
=1.02x0.17+0.83
=(1+0.02)x0.17+0.83
=0.17+0.83+0.0034
=1+0.0034
=1.0034
1.85×0.17+0.83=1.85×0.17+1-0.17=1+0.17×(1.85-1)=1+0.17×0.85
=1-0.1445=0.8555
=(1.02+0.83)×0.17+0.83×0.83
=1.02×0.17+0.83×0.17+0.83×0.83
=1×0.17+0.02×0.17+0.83×(0.17+0.83)
=0.17+0.0034+0.83×1
=1.0034
1.85乘0.17加0.83乘0.83简算怎么算,得多少要算式,在下午1点半前,
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