①10.5×4.8=
②※7.49×1.2=
③0.17×0.71≈(得数保留两位小数)
④1.78×0.24≈(精确到百分位)
0÷19.8= 0.2×0.05= 0.6×1.5= 1.36+2.87+3.64=
126÷28=
54.88÷32=
64.8÷16=
36.6÷12=
1.62÷27=
19.57÷19=