题目内容
7.85÷3.6=________÷36
0.279÷1.7=________÷17
口算
0.45+0.15= 45.02+0.8= 3.85-2.75= 3.6+2.4=
直接写出得数.
(30-6)÷3=
47+5×6=
15-16÷2=
85+4×3=
5×(62-53)=
200÷50=
0.52×100=
9.2-3.6=
1-0.85=
45÷5×7=
3.4+0.8=
5.6+1.8=
1.8-0.6=
0.85-0.45=
3+2.72=