0.5
[(1.8-0.6)÷?+ 2.5]×0.4=3.4
1个回答
相关问题
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口算4.8÷3= 1.8×0.5= 0.04×5= 0÷8.13= 25.2÷6= 3.5×0.07= 3.6÷1.8=
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口算 5×4=6.4÷0.8=7.2×0.01=10÷4=0.36×2=1÷0.125=0.25×8=8.1÷0.3=0
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3.6÷0.4-1.2×5 90÷【3.6-1.8】 【31.6-11.7】÷2.5÷0.4 3.4×7.8÷3.9 5
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(1)4.5×10.2 (2)(5.6+0.28)÷0.7 (3)51.6÷[(5.4-3.25)×0.8] (4)1.
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直接写出得数． 4.8÷0.8= 3.6×5= 0.6÷0.01= 4.5+5.5= 5.6÷0.8= 4×2.5-2.
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直接写出得数． 4.8÷0.8= 3.6×5= 0.6÷0.01= 4.5+5.5= 5.6÷0.8= 4×2.5-2.
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口算0.48÷4= 20×0.5= 4.8÷1.6= 1.5×5= 10-4.5= 0.39÷3= 7.2÷4= 6÷5
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直接写得数4.8×0=2.4×10=4.2÷0.7=3.6÷1.2=1.2×5=6.3÷0.7=15×0.6=1-0.0
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7.2÷1.8+6.8×0.5 3.7+6.3÷0.6-0.4
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直接写出得数． 5 6 ×6= 1 3 + 1 4 =2.4÷0.6=2.5÷1%=1.25×0.8= 3 4 ÷ 1