不会,帮我算一算,把整个答案算式给我
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1. 10-0.76+3.4 =9.24+3.4 =12.64 2. 34.15-7.78-2.22-4.15 =(34.15-4.15)-(7.78+2.22)=30-10 =20 3. 9.9+12.6 =10-0.1+12.6 =10+12.6-0.1 =22.6-0.1 =22.5 4. 15.63-1.37-1.63 =15.63-(1.37+1.63)=15.63-3 =12.63 5. 5.32-1.56-3.44+1.68 =(5.32+1.68)-(1.56+3.44)=7-5 =2
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