五年级上册数学计算题专项练习 脱式计算720.81+10.4 7.062.4-5.7 50.41.9-1.8 3.760.25+25.80.75180.15 2.070.230.45 21.360.8-12.9 7.28+3.22.51.080.80.27 2.050.82+33.6 44.280.94.1 9.07-22.783.45.517.3+6.75.5 3.8+4.29+2.1+4.2 2.8810.430.243.530.8(9.851.07)(9.528.9)0.182.8810.430.243.5(2.441.8)0.40.1528-(3.4+1.252.4)2.557.1+2.457.17779+111130.815.5-(3.21+5.79)（31.8+3.24）531.54(6+3)0.64257.8+2.222.5+2.5219464.81.80.936.724.259.951807056242.42.50.8(4121+2389)767115-97446912+1492405(3213-3189)3.416（0.01635）(106.76)1.219.46.12.35.670.2-0.6218.10.92+3.930.0430.24+0.8750.40.70.250.75102100-56.230.78+5.436+10.40.70.250.751020.78+5.436+14.070.86+9.12.518.10.92+3.934.070.86+9.12 - 1 -