Question

7又1/2-4/23等于多少

Answer 1

7又1/2-4/23等于多少

7又1/2-4/23
=7又23/46-8/46
=7又15/46
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5/6减1/4加1/3等于多少？23/28加13/14加2/7等于多少？

5/6-1/4+1/3
=10/12-3/12+4/12
=7/12+4/12
=11/12
23/28+13/14+2/7
=23/28+26/28+8/28
=57/28
=2又1/28

2-4/7除以16+1/14等于多少？

2-4/7/16+1/14
=2-4/7×1/16+1/14
=2-1/28+2/28
=2又1/28

4/7×23又12/13 7分之4×1/13加上16×1/7等于多少

4/7×23又12/13+7分之4×1/13加上16×1/7
=4/7×(23又12/13+1/13)+16/7
=4/7×24+4×4/7
=4/7×(24+4)
=4/7×28
=16

4.1+(+1/2)+(-1/4)+(-10.1)+7 2-【（-2又2/3）-（-4又1/3）-（-2又2/3）】 等于多少？

4.1+(+1/2)+(-1/4)+(-10.1)+7 2-【（-2又2/3）-（-4又1/3）-（-2又2/3）】
=4.1+0.5-0.25-10.1+72+2又2/3-2又2/3
=4.6-10.35+72-4又1/3
=76.6-10.35-4又1/3
=66.25-4又1/3
=66又1/4-4又1/3
=61又11/12
采纳吧，好费劲

4/1+(3/2-4/1)等于多少？

4/1+(3/2-4/1)
=4/1-4/1+3/2
=0+3/2
=3/2

6又1/6 减2又4/7等于多少?

6又1/6-2又4/7
=6又7/42-2又24/42
=3又25/42

(-3.75)+5又1/3+（2又1/7）+（-4又1/3）+3又3/4+（-1又6/7）等于多少

等于零

简便运算 32又1/2-【5又1/4-(+3又1/7)+(-5又1/4)+(-2又6/7)】等于多少?

32又1/2-【5又1/4-(+3又1/7)+(-5又1/4)+(-2又6/7)】
=32又1/2-（5又1/4-3又1/7-5又1/4-2又6/7)
=32又1/2-（-6）
=32又1/2+6
=38又1/2

1/4,加2/7,加1/2等于多少？

1/4,加2/7,加1/2等于
=1/4+2/4+2/7
=3/4+2/7
=【3*7+2*4】/28
=29/28
满意采纳