3/4+7/18=41/36
3/4+11/36=19/18
3/4+132/16=144/16=9
7/6-4/5 =(7×5-4×6)/(6×5)=11 /30
7/6-6/10=(7×10-6×6)/(6×10)=17 / 30
7/6-7/8=(7×4-7×3 )/24=7 /24
理解请及时采纳!
3/4+7/18=41/36
3/4+11/36=19/18
3/4+132/16=144/16=9
7/6-4/5 =(7×5-4×6)/(6×5)=11 /30
7/6-6/10=(7×10-6×6)/(6×10)=17 / 30
7/6-7/8=(7×4-7×3 )/24=7 /24
理解请及时采纳!