四年级下册计算题库（一）——小数的加法和减法1.小数数位相同的加减法（竖式计算）27.38+4.83=26.75+2.83=3.64-2.58=6.52-3.44=15.31+13.51=5.5+4.5=3.27-2.49=11.65-7.39=19.01-7.99=7.51+0.49=5.48-3.25=4.8+18.9=10.3+58.7=8.03-4.56=9.03-8.57=8.25+1.55=9.43-9.05=1.75+2.08=4.28-3.37=4.13+2.24=4.17+2.53=5.07-0.98=5.67-0.73=13.18+5.27=5.16+7.89=2.小数数位不同的加减法（竖式计算）26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.7+6.58=7.81-3.735=12.16+5.347=0.4-0.125=18.7+3.96=9.6+4.78=5.67-0.845=0.506-0.19=11.04-7.3=1.4-0.405=62.1-17.07=1.4-0.405=3.906+0.66=43.5-27.34=15.98-3.9=75.6-3.55=5.94+10.7=12.03+0.875=37.8+3.02=0.704-0.25=10.1-0.55=3.整数与小数的加减法（竖式计算）10+10.1=27+8.03=26+7.98=13.99+1=7.88+2=28-3.56=10-0.81=10-0.36=20-0.92=8-7.089=95-9.85=20-9.42=35.09-11=96.85-85=45.45-45=10-0.41=45-0.45=3.57+3=4.小数加减混合运算（递等式计算）5.03-2.5+0.9622.8-5.23-9.12523.66+4.34-3.565.6-0.81-1.2915.9+3.26+4.1767.2+41.5-71.3910.75+0.4-9.47316.23+8.92-7.5650-28.5-13.4513.79-9.653+170.571.5+0.68-0.30672.8-8.6+5.8420.8-（15.98-3.9）32.5+（5.07+6.13）3.52-（4.66-3.82）5.小数加减简便运算（递等式计算）0.9+1.08+0.92+0.15.26+3.43+0.745.6+2.7+4.420.15+7.62+7.8551.27-8.66-1.3448.14-2.43-7.5718.76-3.47-0.535.17-1.8-3.270.8-1.25-1.754.02-3.5+0.984.25-0.83+0.7523.04-0.8-13.4-6.215.13+4.92-5.133.98-1.5+6.024.8+1.2-4.8+1.230.99-（8.5+15.99）72.6-（22.6+3.45）36.06-（5+6.06）27×0.43=1.7×45=1.2×1.04=0.37×4=86×1.2=2.4×0.15=21×2.4=4.32×8=0.8×25=2.58×3=5.8×0.6=3.6×0.4=2.6×3.7=1.56×0.18=1.03×5.03=0.208×2=1.11×1.1=0.36×1.3=2.5×6.5=0.3×2.6=0.98×45=3.2×2.5=5.2×2.9=0.68×8.1=3.5×3=0.72×5=2.05×4=12.4×7=2.3×12=6.7×0.3=2.4×6.2=0.56×0.04=6.7×0.3=0.56×0.04=3.7×4.6=0.29×0.07=6.5×8.4=56×1.3=3.2×2.5=2.6×1.08=0.87×7=3.5×16=12.5×42=1.8×23=0.37×0.4=1.06×25=7×8.06=0.6×0.39=1.7×0.45=1.2×1.4=0.37×8.4=0.86×1.2=2.34×0.15=21×2.84=4.32×8=6.8×25=2.58×3=58×1.6=36×2.4=2.56×3.7=1.56×0.08=1.03×5.3=0.208×2.5=1.12×1.1=0.326×1.3=6.5×6.5=3.3×2.6=0.98×5.5=2.1×2.15=5.2×2.9=0.48×8.1=26.4×0.063=0.15×0.65=5.93+0.19+2.813.07－0.38－1.627.3＋2.7－7.3＋2.71.27+3.9+0.73+16.148.4＋2.78＋51.6－0.7823.4－0.8－13.4－7.2139.46—(58.74+19.46)4.8+8.63+5.2+0.372.35+1.713+0.287+7.657.5＋4.9－6.536.54－1.76－4.543.25＋1.79－0.59＋1.7512.7－（3.7＋0.84）25.6－(0.23＋5.6)－1.770.456＋6.22＋3.7815.89＋(6.75－5.89)4.02＋5.4＋0.987.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.475.27＋2.86－0.66＋1.6313.35－4.68＋2.6573.8－1.64－13.8－5.3647.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.2566.86－8.66－1.3436.8－3.9－6.132＋4.9－0.925.48－(9.4－0.52)15.02-6.8-1.029.43-（6.28-1.57）4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.23.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.612.7－（3.7＋0.84）36.54－1.76－4.544.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.55面各题怎样算简便就怎样算。（1）小数加减法计算6.9＋4.8＋3.10.456＋6.22＋3.7815.89＋(6.75－5.89)4.02＋5.4＋0.985.17－1.8－3.213.75－(3.75＋6....
