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1、脱式计算30.8÷14(9.851.07) 60(9.528.9)÷0.18 2.881÷0.430.24×3.5 20×(2.441.8)÷0.40.15 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、47;2 19464.8÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷（0.016×35） 0.8×(106.76)÷1.2 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.4×0.7
3、5;0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 30.8÷14(9.851.07) 60(9.528.9)÷0.18 2.881÷0.430.24×3.5 20×(2.441.8)÷0.40.15 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、×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 19464.8÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷（0.016×35） 0.8×(106.76)÷1.2 19.4×6.1
5、15;2.3 5.67×0.2-0.62 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 脱式计算（能简算要简算）3.8+4.29+2.71+6.2 12.50.783.22 12.8×99+12.8 1.25×3.2×2.5 12.6×10112.6 38.5÷2.5÷0.4 6.7×10.1 6.5×101 4.85×98 1.2×2.5+0.8×2.5 2
6、8×17.528×7.5 4.8×12.56/72/151/713/15 19/215/73/14 2/35/92/35/9 8/9+（1/41/9）+3/4 0.58+5/13+1.12+8/13 11-4/11-7/1122+55÷11-2/8 1/7+33.5+6/7-3.5 7.09-5/12+12.03-7/12 14/15（6/15 +1/3） 13/50.81 0.19 7/8+1/8 5/9 4/9 5 （0.5 3/10 ） 7.68 - 7.68×0.5 5.24.8×3.5 30.8÷14(9.851.
7、07) 60(9.528.9)÷0.182.881÷0.430.24×3.5 20×(2.441.8)÷0.40.1528-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1777×9+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÷219464.8÷1.8×0.
8、936.72÷4.25×9.95180705×624÷2.42.5×0.8(4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189)3.416÷（0.016×35）0.8×(106.76)÷1.219.4×6.1×2.3 5.67×0.2-0.62 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.
9、86+9.12.5 30.8÷14(9.851.07) 60(9.528.9)÷0.182.881÷0.430.24×3.5 20×(2.441.8)÷0.40.1528-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1777×9+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&#
10、247;219464.8÷1.8×0.936.72÷4.25×9.95180705×624÷2.42.5×0.8(4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189)3.416÷（0.016×35）0.8×(106.76)÷1.219.4×6.1×2.3 5.67×0.2-0.62 0.4×0.7×0.25 0.75×102 100-56
11、.23 0.78+5.436+1 4.07×0.86+9.12.5 30.8÷14(9.851.07) 60(9.528.9)÷0.18 2.881÷0.430.24×3.5 20×(2.441.8)÷0.40.15 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
12、5;25×7.8+2.2 2÷2.5+2.5÷2 19464.8÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷（0.016×35） 0.8×(106.76)÷1.2 19.4×6.1×2.3 5.67×0.2-0.62 1
13、8.1×0.92+3.93 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 30.8÷14(9.851.07) 60(9.528.9)÷0.18 2.881÷0.430.24×3.5 20×(2.441.8)÷0.40.15 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+
14、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 19464.8÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 3.416÷（0.016×35） 0.8×(106.76)÷1.2 19.4×6.1×2.3 5.67×0.2-0.62 0.4×0.7×0.25 0.75×102 100-56.23 0.78+5.436+1 4.07×0.86+9.12.5 来源于网络