第5单元 简易方程【勤径小学升】2023-2024学年五年级数学上册同步口算（人教版）

第5单元简易方程 第1课时用字母表示数(1) 口算 0.45×4= 2.6÷0.13 8.1÷0.3= 3.5×3= 6.33÷0.3= 1000÷125= 0.24÷0.6= 7.2÷0.06= 5.75÷0.5= 2.13÷0.3= 0.32÷0.8= 8.5÷0.5= 0.7×8= 0÷12.5= 13.6÷0.4= 39.3÷0.3= 9.65÷0.5= 5.8×2= 20.4÷0.4= 2.06×3= 0.9÷3= 0.16×0.4= 5.4÷9= 328.73×0= 笔算 75.6÷0.18= 6.96÷2.9= 1.71÷0.38= 7.15×3.2= 0.36×4.28= 8.3×4.4= (3.6+1.08)÷1.2 5.2×0.6×8.4 (2.5-1.7)×0.4 46 小学升·同步口算 第2课时用字母表示数(2) 口算 0.48÷0.03= 12.3÷0.3 0.49÷0.7= 8.4÷10= 2.75÷5= 3×2.8= 0.81×0.5= 3.6×0.3= 1.64÷0.4= 0.7×0.4= 0.02×3.2= 10.5×0.2= 8.55÷0.5= 24÷1.2= 5.56÷0.2= 15.3÷0.3= 3.2÷0.2= 0÷0.98= 0.84÷0.42= 0.7×1.2= 21.6÷0.04= 0.15×0.5= 100×0.46= 0.32÷1.6= 笔算 85.44÷16= 42.84÷0.7= 0.256÷3.2= 5.12×2.8= 102×0.97= 0.29×0.33= 5.23×0.9+0.1 6.92×10.1 =5.23×(0.9+0.1)改正： =6.92×10+0.11改正： =5.23×1 =69.2+0.1 =5.23 =69.3 五年级·上册 第3课时用字母表示数(3) 0算 5×3.6= 7.6÷0.4= 0.1÷0.2= 9.6÷3.2= 6.2÷3.1= 6.5÷0.5= 0.42×0.3= 5.2÷0.4= 55.5÷11.1= 0.45×0.2= 9.6÷2.4= 2.3×0.6= 0.4÷10= 0.12÷0.5= 8.48÷0.4= 1.666×100= 0.81÷9= 21÷0.7= 0.9÷0.6= 0.5÷0.02= 0.6÷3= 0.12×0.7= 0.56÷0.4= 444.65×0= 笔算 1.5×2.2= 4.3×2.58= 13.76÷0.16= 34.5÷1.5= 3.9×0.32= 0.256÷3.2= (6.3-9.6×0.5)÷0.756.9×10.1-0.69 3.2÷1.25÷0.08 48 小学升·同步口算 第4课时用字母表示数(4) 口算 9.6×0.2= 21.3÷0.3 12.5×0.8= 7.5÷1.5= 6×1.02= 8.1÷2.7= 101×0.1= 4.3×0.3= 8.48÷0.4= 4.8÷0.4= 35.7÷0.7= 3.4×0.2= 57÷5.7= 0.72÷9= 26.5÷0.5= 9.6+10.4= 12÷0.6= 2.1÷0.7= 1.4×0.3= 0.5×0.06= 42.6÷0.6= 0.5×0.81= 13.6÷3.4= 9.6÷8= 笔算 精确到小数点后两位。 6.1÷0.68≈ 38.9÷1.5 3.62×0.06≈ 10.76÷12.7≈ 16.23×0.25≈ 0.6×3.86≈ 9.26÷2.4= 25.8÷0.46= 3.87×0.21≈ 五年级·上册 49 第5课时方程的意义 算 x-0.8x= 5a÷2= 31.5a×100= 5y-0.5y= 6.96a×100= 2.1a÷7= 0.7y×6= 0.7x×8= 0.5x+0.8x= 0.6a×9= 13.4a×0.5= 0.76x×100= 5.7x÷3= 6x÷0.3= 19.4x-9.4x= 18x÷6= 3.2a-2.5a= 21.7x÷7= 3.68x+4.22x= 8.2x+1.8x= 6a+0.6a= 32×0.2y= 8.2a-2.5a= 9x+0.32x= 笔算 17.2×3.2-48.36 0.68÷(5.2-3.5)×1.25(8×0.7)×1.25 31.8+4.32÷(8.4-7.8)5.66×3.28+5.66×6.729.6÷0.8+12.5÷0.5 6.8×0.75÷0.5 28.28÷0.25÷40 2.5×(0.8×0.4) 50 小学升·同步口算 第6课时等式的性质 口算 1.6x+0.2x= 1.3x×0.3= 6.9a÷3= 9x÷2= 9.6a÷8= 5.1a÷1.7= b+7b= 2.6x-0.3x 8.4x÷0.4= y-0.3y= 9.9y÷0.3= 3.4x×0.2