1 第一天 (脱式计算) 0 .4 5 6 +6 .2 2 +3 .7 8 1 5 .8 9 +(6 .7 5 -5 .8 9 ) 4 .0 2 +5 .4 +0 .9 8 5 .1 7 -1 .8 -3 .2 1 3 .7 5 -(3 .7 5 +6 .4 8 ) 3 .6 8 +7 .5 6 -2 .6 8 7 .8 5 +2 .3 4 -0 .8 5 +4 .6 6 3 5 .6 -1 .8 -1 5 .6 -7 .2 3 .8 2 +2 .9 +0 .1 8 +9 .1 9 .6 +4 .8 -3 .6 7 .1 4 -0 .5 3 -2 .4 7 5 .2 7 +2 .8 6 -0 .6 6 +1 .6 3 1 3 .3 5 -4 .6 8 +2 .6 5 7 3 .8 -1 .6 4 -1 3 .8 -5 .3 6 4 7 .8 -7 .4 5 +8 .8 0 .3 9 8 +0 .3 6 +3 .6 4 1 5 .7 5 +3 .5 9 -0 .5 9 +1 4 .2 5 2 66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8 第二天 (脱式计算) 3.72×3.5+6.28×3.5 36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9 4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8 18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9 3 5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2 17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 第三天 (竖式计算) 3.68×0.25= 0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15= 4 0.02×14= 3.06×36= 0.04×0.12= 3.84×2.6≈ 5.76×3= 7.15×22= 90.75÷3.3= 3.68×0.25= 16.9÷0.13= 5 1.55÷3.9= 5.2×0.6= 3.7×0.016= 8.4×1.3= 13.76×0.8= 4.48×0.4= 第四天 6.4×0.5= 5.25×5= 35.4×4.2= 3.08×0.43= 0.042×0.54= 6 0.76×0.32= 0.25×0.046= 1.5×26.7= 2.52×3.4= 4.6×0.6= 8.9×0.05= 1.08×25= 0.12×0.5×0.16= 0.125×1.4= 4.8×0.25= 0.43×0.28= 6.45×0.73= 7 15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5) 第五天 4.36×12.5×8 9.7×99+9.7 3.83×4.56+3.83×5.44 8.54÷2.5÷0.4 0.65×101 27.5×3.7-7.5×3.7 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 (45.9-32.7)÷8÷0.125 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26 8 7.2×0.2+2.4×1.4 18-1.8÷0.125÷0.8 12.7×9.9+1.27 3.9×2.7+3.9×7.3 15.02-6.8-1.02 5.4×11-5.4 21×(9.3-3.7...