直接写出得数
1800﹣799= 560÷8×7= 1÷0.04= 8×125%=
0.3×0.3÷0.3×0.3=
÷60%= ：
= 4.6÷0.2=
在图中涂色（或画阴影）表示出
．
3.2÷0.01=
=
5.6+3.99=
1.7÷2.5=
2×9.9=
=
=
=
直接写出得数
410﹣210=
= 72.8÷0.8=
=
1.375﹣
=
=
= 5.2+0.54+0.46=
口算．
800﹣250= 30×40= 8100÷900= 10﹣0.98= 105÷7= 560+770=
0.25×0.4= 6.3÷0.07= 0.64÷8= 8.85×10= 4.73+0.7=
=
=
=
= 3.6×
= 8×1.36×1.25= 7.2×2.8+2.8×0.8=
