<p>(1) Subtract the numbers</p> <table class="table table-borderless text-center align-middle"> <tr> <td> <table class="table table-borderless text-center align-middle table-sm"> <tr> <td><h4>§§V1(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V2(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V3(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V4(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V5(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V6(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V13(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V14(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V15(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V16(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> </table> </td> <td></td> <td> <table class="table table-borderless text-center align-middle table-sm"> <tr> <td><h4>§§V7(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V8(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V9(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V10(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V11(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V12(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V17(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V18(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V19(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V20(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> </table> </td> <td></td> <td> <table class="table table-borderless text-center align-middle table-sm"> <tr> <td><h4>§§V21(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V22(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V23(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V24(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V25(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V26(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V27(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V28(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> <tr> <td><h4>§§V29(10,20,1)§§</h4></td> <td><h4> - </h4></td> <td><h4>§§V30(1,10,1)§§</h4></td> <td><h4> = _____</h4></td> </tr> </table> </td> </tr> </table> <p>(2) Subtract the numbers and check using addition</p> <table class="table table-borderless text-center align-middle"> <tr> <td> <table class="table table-borderless table-sm mb-0"> <tr> <td class="fs-5">§§V15(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V2(1,10,1)§§</td> <td class="fs-5">= ___ because §§(§§V15(10,20,1)§§-§§V2(1,10,1)§§)§§ + §§V2(1,10,1)§§ = _______</td> </tr> <tr> <td class="fs-5">§§V9(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V6(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V1(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V10(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V17(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V4(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V5(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V14(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> </table> </td> <td style="width: 20px;"></td> <td> <table class="table table-borderless table-sm mb-0"> <tr> <td class="fs-5">§§V7(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V8(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V3(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V12(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V11(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V20(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V13(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V18(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> <tr> <td class="fs-5">§§V19(10,20,1)§§</td> <td class="fs-5">-</td> <td class="fs-5">§§V16(1,10,1)§§</td> <td class="fs-5">= ___ because = _____________</td> </tr> </table> </td> </tr> </table> <p>(3) Calculate</p> <table class='table table-bordered table-striped'> <tr> <td> <table class=''> <tr> <td><img src="/svg/num10r.svg" width="80" /></td> <td>§§F(Rep, §§V31(3,6,1)§§, <img src="/svg/num1r.svg" width="32" />)§§</td> </tr> </table> </td> <td> <table class=''> <tr> <td><img src="/svg/num10bu.svg" width="80" /></td> <td>§§F(Rep, §§(§§V31(3,6,1)§§+4)§§, <img src="/svg/num1bu.svg" width="32" />)§§</td> </tr> </table> </td> <td> <table class=''> <tr> <td><img src="/svg/num10bl.svg" width="80" /></td> <td>§§F(Rep, §§(§§V31(3,6,1)§§-2)§§, <img src="/svg/num1bl.svg" width="32" />)§§</td> </tr> </table> </td> </tr> <tr> <td> <b>10 + §§V31(3,6,1)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§)§§ - §§V31(3,6,1)§§ = __</b> </td> <td> <b>10 + §§(§§V31(3,6,1)§§+4)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§+4)§§ - §§(§§V31(3,6,1)§§+4)§§ = __</b> </td> <td> <b>10 + §§(§§V31(3,6,1)§§-2)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§-2)§§ - §§(§§V31(3,6,1)§§-2)§§ = __</b> </td> </tr> <tr> <td> <table class=''> <tr> <td><img src="/svg/num10r.svg" width="80" /></td> <td>§§F(Rep, §§(§§V31(3,6,1)§§+1)§§, <img src="/svg/num1r.svg" width="32" />)§§</td> </tr> </table> </td> <td> <table class=''> <tr> <td><img src="/svg/num10bu.svg" width="80" /></td> <td>§§F(Rep, §§(§§V31(3,6,1)§§+3)§§, <img src="/svg/num1bu.svg" width="32" />)§§</td> </tr> </table> </td> <td> <table class=''> <tr> <td><img src="/svg/num10bl.svg" width="80" /></td> <td>§§F(Rep, §§(§§V31(3,6,1)§§-1)§§, <img src="/svg/num1bl.svg" width="32" />)§§</td> </tr> </table> </td> </tr> <tr> <td> <b>10 + §§(§§V31(3,6,1)§§+1)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§+1)§§ - §§(§§V31(3,6,1)§§+1)§§ = __</b> </td> <td> <b>10 + §§(§§V31(3,6,1)§§+3)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§+3)§§ - §§(§§V31(3,6,1)§§+3)§§ = __</b> </td> <td> <b>10 + §§(§§V31(3,6,1)§§-1)§§ = __</b> <br /> <b>§§(10 + §§V31(3,6,1)§§-1)§§ - §§(§§V31(3,6,1)§§-1)§§ = __</b> </td> </tr> </table>