Pasted

<?php
 
use Illuminate\Support\Facades\Route;
 
Route::get('/', function () {
    return view('welcome');
});
 
Route::group(['prefix' => '/matematica/'], function() {
    Route::get('soma/{a}/{b}', function($a, $b) { 
        echo 'Soma = '. $a+$b; 
    })->name('matematica.soma');
    
    Route::get('subtracao/{a}/{b}', function($a, $b) { 
        echo 'Subtracao = '. $a-$b; 
    })->name('matematica.subtracao');
    
    Route::get('divisao/{a}/{b}', function($a, $b) { 
        echo 'Divisao = '. $a/$b;
    })->name('matematica.soma');
    
    Route::get('multiplicacao/{a}/{b}', function($a, $b) { 
        echo 'Multiplicação = '. $a*$b; 
    })->name('matematica.multiplicaca');
});
 
Route::get('teste', function() {
    echo route('matematica.soma', ['a' => 10, 'b' => 20]);
});