问题 解答题
口算.
0.06×9
2.7+0.270.3×0.90.25×1.6
1.4÷20×0.4650.7×0.72.1÷0.7
0.75÷10.1÷255+0.12.56÷0.256
0.25×42.25÷0.57.2÷0.62×7.85×0.5
0.48÷41.25×80.04÷20.9+2.45+2
1.6÷0.210÷0.250.01×0.28.94-(1.94-0.59)
答案

0.06×9=0.54; 2.7+0.27=2.97; 0.3×0.9=0.27; 0.25×1.6=0.4;

1.4÷2=0.7;0×0.465=0; 0.7×0.7=0.49; 2.1÷0.7=3;

0.75÷1=0.75; 0.1÷2=0.05; 55+0.1=55.1; 2.56÷0.256=10;

0.25×4=1; 2.25÷0.5=4.5; 7.2÷0.6=12; 2×7.85×0.5=7.85;

0.48÷4=0.12; 1.25×8=10; 0.04÷2=0.02; 0.9+2.45+2=5.35;

1.6÷0.2=8; 10÷0.25=40;0.01×0.2=0.002; 8.94-(1.94-0.59)=7.59.

填空题
填空题