Question

实验小学六年级有四个班参加植树活动一般植树48棵二班植树的棵数是一班的5/6

实验小学六年级有四个班参加植树活动一般植树48棵二班植树的棵数是一班的5/6

Answer 1

<table style="width:100%"> <tbody> <tr> <td> （1）48×<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 5</td> </tr> <tr> <td> 6 </span> ×（1+<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 7</td> </tr> <tr> <td> 8 </span> ）
=40×<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 15</td> </tr> <tr> <td> 8 </span> ，
=75（棵）．
三班植树75棵．
（2）56×<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 1</td> </tr> <tr> <td> 7 </span> ×<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 1</td> </tr> <tr> <td> 8 </span> =1．
乙数是1．
（3）42×<span mathtag="math"> <table style="display:inline-table;vertical-align:middle" cellpadding="-1" cellspacing="-1"> <tbody> <tr> <td style="border-bottom:1px solid black"> 5</td> </tr> <tr> <td> 7 </span> ×42=1260（平方米）．
这块地的面积是1260平方米．