Toán a,3/2.3/2-5/6:(12)^2+2 b,3-(6/7)^0+1/2^2:2 05/07/2021 By Jade a,3/2.3/2-5/6:(12)^2+2 b,3-(6/7)^0+1/2^2:2
`a)3/2×3/2-5/6-5/6÷(12)^2+2` `=9/4-5/6-5/6÷144+2` `=27/12-10/12-5/6×1/144+2` `=17/12-1/120+2/1` `=170/120-1/120+240/120` `=409/120` `b)3-(6/7)^0+(1/2)^2÷2` `=3-1+1/4×1/2` `=2+1/8` `=16/8+1/8` `=17/8` CHÚC BẠN HỌC TỐT!!! Trả lời
Giải thích các bước giải: `a,3/2. 3/2-5/6:(12)^2+2``=9/4-5/6:144+2``=9/4-5/6 . 1/144+2``=9/4-5/864+2``=1944/864-5/864+2``=1939/864+2``=3667/864``b,3-(6/7)^0+1/2^2:2``=3-1+1/4:2``=2+1/4 . 1/2``=2+1/8``=16/8+1/8``=17/8` Trả lời
`a)3/2×3/2-5/6-5/6÷(12)^2+2`
`=9/4-5/6-5/6÷144+2`
`=27/12-10/12-5/6×1/144+2`
`=17/12-1/120+2/1`
`=170/120-1/120+240/120`
`=409/120`
`b)3-(6/7)^0+(1/2)^2÷2`
`=3-1+1/4×1/2`
`=2+1/8`
`=16/8+1/8`
`=17/8`
CHÚC BẠN HỌC TỐT!!!
Giải thích các bước giải:
`a,3/2. 3/2-5/6:(12)^2+2`
`=9/4-5/6:144+2`
`=9/4-5/6 . 1/144+2`
`=9/4-5/864+2`
`=1944/864-5/864+2`
`=1939/864+2`
`=3667/864`
`b,3-(6/7)^0+1/2^2:2`
`=3-1+1/4:2`
`=2+1/4 . 1/2`
`=2+1/8`
`=16/8+1/8`
`=17/8`