五年級上冊數(shù)學(xué)計(jì)算題專項(xiàng)練習(xí) 脫式計(jì)算 72×0.81+10.4 7.06×2.4-5.7 50.4×1.9-1.8 3.76×0.25+25.8 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8-12.9 7.28+3.2÷2.5 1.08×0.8÷0.27 2.05÷0.82+33.6 44.28÷0.9÷4.1 9.07-22.78÷3.4 5.5×17.3+6.7×5.5 3.8+4.29+2.1+4.2 2.881÷0.43－0.24×3.5 30.8÷(9.85＋1.07) (9.5＋28.9)÷0.18 2.881÷0.43－0.24×3.5 (2.44－1.8)÷0.4＋0.15 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 0.8×〔15.5-(3.21+5.79)〕 （31.8+3.2×4）÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194－64.8÷1.8×0.9 36.72÷4.25×9.9 5180－705×6 24÷2.4－2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷（0.016×35） (10－6.76)÷1.2 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.0430.24+0.875 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 0.4×0.7×0.25 0.75×102 0.78+5.436+1 4.07×0.86+9.12.5 18.1×0.92+3.93 4.07×0.86+9.12 - 1 -