Додавання тризначних чисел

<div class="container-fluid my-2 py-2 border rounded shadow-sm bg-light w-100"> <div class="mb-3"> > <div class="row text-center g-2 fs-5"> <div class="col">§§V1(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3">§§(§§V1(100,900,1)§§+§§V0(2,9,1)§§)§§</span></div> <div class="col">§§V2(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> <div class="col">§§V3(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> <div class="col">§§V4(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> <div class="col">§§V5(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> <div class="col">§§V6(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> <div class="col">§§V7(100,900,1)§§<br>↓<br><span class="border-bottom border-dark border-2 px-3"> </span></div> </div> </div> <hr class="my-2 text-dark opacity-100" style="border-top: 1px solid black !important;"> <div class="mb-3"> <p class="mb-2"> (1) Збільш числа на §§V0(2,9,1)§§.</p> <div class="row row-cols-2 g-3 fs-5"> <div class="col">§§V8(100,900,1)§§ + §§V9(10,90,10)§§ = <span class="border-bottom border-dark border-2 px-4"> </span></div> <div class="col">§§V10(100,900,1)§§ + §§V11(10,90,10)§§ = <span class="border-bottom border-dark border-2 px-4"> </span></div> <div class="col">§§V12(100,900,1)§§ – §§V13(10,90,10)§§ = <span class="border-bottom border-dark border-2 px-4"> </span></div> <div class="col">§§V14(100,900,1)§§ – §§V15(10,90,10)§§ = <span class="border-bottom border-dark border-2 px-4"> </span></div> </div> </div> <hr class="my-2 text-dark opacity-100" style="border-top: 1px solid black !important;"> <div class="mb-3"> <p class="mb-2"> (2) Обчисли.</p> <div class="row g-3 fs-5"> <div class="col-6"> <div class="mb-2">§§(§§V16(1,9,1)§§*100+ §§V41(0,9,1)§§*10+ §§V42(0,9,1)§§)§§ = <span class="border-bottom px-5 px-2 pb-1">§§V16(1,9,1)§§ ·100+§§V41(0,9,1)§§· 10+§§V42(0,9,1)§§ &#183 1 </span></div> <div class="mb-2">§§V17(100,999,1)§§ = <span class="border-bottom border-dark border-2 px-5">    </span></div> <div class="mb-2">§§V18(100,999,1)§§ = <span class="border-bottom border-dark border-2 px-5">    </span></div> </div> <div class="col-6"> <div class="mb-2">§§V19(100,999,1)§§ = <span class="border-bottom border-dark border-2 px-5">    </span></div> <div class="mb-2">§§V20(100,999,1)§§ = <span class="border-bottom border-dark border-2 px-5">    </span></div> <div class="mb-2">§§V21(100,999,1)§§ = <span class="border-bottom border-dark border-2 px-5">    </span></div> </div> </div> </div> <hr class="my-2 text-dark opacity-100" style="border-top: 1px solid black !important;"> <div class="mb-3"> <p class="mb-2"> (3) Розклади числа на суму кратних десяткових одиниць.</p> <div class="d-flex justify-content-around text-end fs-5 px-2"> <div>§§V22(100,700,1)§§<br>+ §§V23(100,200,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V24(100,700,1)§§<br>+ §§V25(100,200,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V26(100,700,1)§§<br>+ §§V27(100,200,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V28(100,400,1)§§<br>+ §§V29(100,500,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V30(100,700,1)§§<br>+ §§V31(100,200,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> </div> </div> <hr class="my-2 text-dark opacity-100" style="border-top: 1px solid black !important;"> <div class="mb-2"> <p class="mb-2"> (4) Додай числа, у яких сума одиниць більша за 9.</p> <div class="d-flex justify-content-around text-end fs-5 px-2"> <div>§§V32(100,600,1)§§<br>+ §§V33(100,300,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V34(100,400,1)§§<br>+ §§V35(100,500,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V36(100,600,1)§§<br>+ §§V37(100,300,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V38(100,500,1)§§<br>+ §§V39(100,400,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> <div>§§V40(100,500,1)§§<br>+ §§V41(100,400,1)§§<div style="border-top: 2px solid black !important; margin-top: 2px; width: 80px; margin-left: auto;"> </div></div> </div> </div> </div>