买一只笔和一架玩具飞机共需要多少钱?
直接写出得数.
9.8+6.7=
+0.2= 15﹣
= 1.25×8= 1÷0.25=
= 0×2
= 7.2÷4= 25÷10%= 1﹣
=
直接写出得数
7.5+2.5= 5.2÷1.3= 1.8×0.5= 4.5÷0.1=
+
=
﹣
=
×
=(
+
)×10=
1÷
+
= 1+2÷3= 1÷
×
=
÷
=
直接写出得数.
2.2+3.5= 0.4×30=
+
=
×
=
0×0.99= 67×99+67= 30×
= 24÷
=
直接写出得数.
0.36+1.7=
×
= 0.32×0.05= 1.2÷
=
6.8﹣1.08= 50×30%=
﹣
﹣
= 0.18÷0.12=
直接写出得数.
0.77+0.33= 7÷1.4= 9+
= 5656÷56=
32÷53×0= 31÷1000=
÷7= 1﹣
+
=