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# 五年级第一学期口算竞赛题1

4.7+2.3= 4.5×2= 6.9－2.5= 6×3.4= 0.62－0.32= 17×40= 100-63= 4÷20=

1.4×0.5= 0.75×100= 0.72÷3.6= 314-202=

0.02×0.5= 3.66.3÷7= 5.60.75÷0.25= 0.1254.8÷0.3= 1878.1-5.1= 0.048+0.52= 75÷10= 1.32×8= 7200÷800= 0.910×0.05= 0.7×4= 0.17+0.06= 670+250= 3.7+2.3= 253.2-0.32= 0.64÷0.8= 2.7+0.4= 0.72-0.43= 8.8-6.7= 0.72÷3.6= 80630÷9= 7.2+0.8= 0.60.6×8= 5.6+0.4= 130012.5×8= 30023×100= 400125×80= 1.69.8-4.8= 64÷0.3= 0.56÷100= 123+27= 0.4×8= 7.2+12.8= 5÷1000= 10.1-0.89= 0.8+0.18= ×400= 19.9+11.1=÷0.8= 5×0.6= 430-250=×0.3= ×7= 0.05×4= ×100= 380-290= 0.36÷1000= 0.76+0.14= 2.8÷60＝ 12.8÷80＝ 12.5÷0.8= 360÷4＝ 18÷28= 400 0.89-0.25= ×7= 17×0.2= 0.21×100= 600 4×0.3= 8500÷500= ÷2= 480×8= 0.7×300= 2600÷4= 46.7÷5= 32.8÷20＝ 2600×700= 7.2×（0.62+0.32）= ×0.2×0.25= ×400= ×10= 1.5×7= ×300= ×0= ×700= 3.2-3.2= ÷40= ÷0.4= ×10= ×0.8= ÷100＝ －3.7= ÷8＝ ÷100＝ ×0.1=

0.68+0.42= 1-0.98= 5 0.081 0.96 0.8 3.5 2.01 0.13 0.2+0.78= 1.02-0.09= 10.2+0.02= 0.15+0.7= 9.2-6= 0.96 2+2.8=

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