Toán Tính : `-3/7` + `4/25` + `1/2` . `3/16` 06/07/2021 By Piper Tính : `-3/7` + `4/25` + `1/2` . `3/16`
Đáp án: `(-3)/7 + 4/25 + 1/2 × 3/16` `= (-3)/7 + 4/25 +3/32` `= (-3 × 800)/(7×800) + (4×224)/(25×224) + (3×175)/(32 × 175)` `= (-2400)/5600 + 896/5600 + 525/5600` `= (-2400 + 896 + 525)/5600` `= (-1504 + 525)/5600` `= (-979)/5600` Trả lời
`(-3)/7 + 4/25 + 1/2 . 3/16` `= (-3)/7 + 4/25 + 3/32` `= (-2400)/5600 + 896/5600 + 525/5600` `= ((-2400) + 896 + 525)/5600` `= (-979)/5600` Trả lời
Đáp án:
`(-3)/7 + 4/25 + 1/2 × 3/16`
`= (-3)/7 + 4/25 +3/32`
`= (-3 × 800)/(7×800) + (4×224)/(25×224) + (3×175)/(32 × 175)`
`= (-2400)/5600 + 896/5600 + 525/5600`
`= (-2400 + 896 + 525)/5600`
`= (-1504 + 525)/5600`
`= (-979)/5600`
`(-3)/7 + 4/25 + 1/2 . 3/16`
`= (-3)/7 + 4/25 + 3/32`
`= (-2400)/5600 + 896/5600 + 525/5600`
`= ((-2400) + 896 + 525)/5600`
`= (-979)/5600`