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3.4-1.4=7.82-7.2=2.19+9.1=10.1-0.89=0.68+0.42=8.1-5.1=0.728-0.24=0.8+0.18=0.89-0.25=1-0.98=

题目详情
3.4-1.4=______           7.82-7.2=______             2.19+9.1=______
10.1-0.89=______          0.68+0.42=______            8.1-5.1=______
0.728-0.24=______        0.8+0.18=______            0.89-0.25=______
1-0.98=______           0.048+0.52=______            5×400=______
19.9+11.1=______            187÷1000=______             1+3.89=______
0.081×10=______             75÷10=______                0.96÷0.8=______.
▼优质解答
答案和解析
3.4-1.4=2           7.82-7.2=0.62             2.19+9.1=11.29
10.1-0.89=9.21          0.68+0.42=1.1            8.1-5.1=3
0.728-0.24=0.488        0.8+0.18=0.98            0.89-0.25=0.64
1-0.98=0.02           0.048+0.52=0.568            5×400=2000
19.9+11.1=31            187÷1000=0.187             1+3.89=4.89
0.081×10=0.81             75÷10=7.5                0.96÷0.8=1.2
故答案为:2,0.62,11.29,9.21,1.1,3,0.488,0.98,0.64,0.02,0.568,2000,31,0.187,4.89,0.81,7.5,1.2.