意思是:单孔涵,涵身跨度(宽度)4.0m,高度3.5m.
涵洞1-4.0×3.5m
1个回答
相关问题
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2.5×5= 10+0.4= 2.5×0.4= 7.1×0.2= 1÷0.1= 3.6÷0.4= 0.2×3.1= 4.
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2.5×5= 10+0.4= 2.5×0.4= 7.1×0.2= 1÷0.1= 3.6÷0.4= 0.2×3.1= 4.
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(1)6×0.3= (2) 0.5÷ 1 7 = (3) 1 4 - 1 5 = (4)15×0.4= (5) 1.6×
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直接写出得数0.20×25=1.4×3=0.7×0.5=4.5×0.2=1.5×0.6=0.8×5=2.4×3=5×0.
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4分钟口算 2.5×4= 505×2= 0.3×[1/3]= [1/5]÷0.5= 4.8-[4/5]= 1.25+3[
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4.5÷0.9﹦ 2.5×4﹦ 25×3.3×0﹦ 294×3≈ 420÷58≈ 2.5×0.4= 0.3÷0.1﹦ 7
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口算:(1)0.1×0.1=(2)0.24×0.5=(3)5.4+3.6=(4)1.25-0.25=(5)6.45×0.
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细心计算6.3× 3 4 +3.7÷ 4 3 ; (4.5×1.1×4.8)÷(3.3×0.8×0.5)7÷(7-7×0
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0×1×2×3+1=1=1^2 1×2×3×4+1=25=5^2 2×3×4×5+1=121=11^2 3×4×5×6+
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0×1×2×3+1=1=1²;1×2×3×4+1=25=5²;2×3×4×5+1=121=11