【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《小学三年级四则混合运算及答案》,欢迎阅读!
精心整理
小学三年级四则混合运算及答案 408-12×24=408-288=120 (46+28)×60=74x60=4440 42×50-17=2100-17=2083 32+105÷5=32+21=53
420×(327-238)=420x89=37380 (4121+2389)÷7=6510÷7=930
3.416÷(0.016×35)=3.416÷0.56=6.1
0.8×[(10-6.76)÷1.2]=0.8x(3.24÷1.2)=0.8x2.7=2.16 5.67×0.2-0.62=1.134-0.62=0.514
0.4×0.7×0.25=0.4x0.25x0.7=0.1x0.7=0.07 0.78+5.436+1=6.216+1=7.216
30.8÷[14-(9.85+1.07)]=30.8÷(14-10.92)=30.8÷3.08=10 [60-(9.5+28.9)]÷0.18=(60-38.4)÷0.18=21.6÷0.18=120 2.881÷0.43-0.24×3.5=6.7-0.24x3.5=6.7-0.84=5.86 20×[(2.44-1.8)÷0.4+0.15]=20x(0.64÷0.4+0.15)=20x(1.6+0.15)=20x1.75=35 28-(3.4+1.25×2.4)=28-(3.4+3)=28-6.4=21.6 2.55×7.1+2.45×7.1=(2.55+2.45)x7.1=5x7.1=35.5 0.8×〔15.5-(3.21+5.79)〕=0.8x(15.5-9)=0.8x6.5=5.2 (31.8+3.2×4)÷5=(31.8+12.8)÷5=44.6÷5=8.92 31.5×4÷(6+3)=126÷9=14
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精心整理
2÷2.5+2.5÷2=0.8+1.25=2.05
194-64.8÷1.8×0.9=194-36x0.9=194-32.4=161.65180-705×6=5180-4230=950
24÷2.4-2.5×0.8=10-2=8 405×(3213-3189)=405x24=9720 125×(97-81)=125x16=2000 6942+480÷3=6942+160=6782 20+80÷4-20=20+20-20=40-20=20 100÷(32-30)×0=100÷2x0=50x0=0 25×4-12×5=100-60=40
70×〔(42-42)÷18〕=70x(0÷18)=70x0=0 75×65+75×35=75x(65+35)=75x100=7500? 6-1.6÷4=6-0.4=5.6
5.38+7.85-5.37=13.23-5.37=7.86 7.2÷0.8-1.2×5=9-6=3
6-1.19×3-0.43=6-3.57-0.43=6-(3.57+0.43)=6-4=2 6.5×(4.8-1.2×4)=6.5x(4.8-4.8)=6.5x0=0 0.68×1.9+0.32×1.9=(0.68+0.32)x1.9=1x1.9=1.9 10.15-10.75×
0.4-5.7=10.15-4.3-5.7=10.15-(4.3+5.7)=10.15-10=0.15 5.8×(3.87-0.13)+4.2×
3.74=5.8x3.74+4.2x3.74=(5.8+4.2)x3.74=10x3.74=37.4 32.52-(6+9.728÷3.2)×
精心整理
精心整理
2.5=32.52-(6+3.04)x2.5=32.52-9.02x2.5=32.52-22.55=9.97 (136+64)×(65-345÷23)=200x(65-15)=200x50=10000
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