240×30= 960+60= 70×120= 0÷32=
630÷70= 3.2+5.8= 1.84+2.35= 90.4-5.4=
0.05+6.5= 0÷185= 2×12×5= ( )×100=4
6.9-3= 330÷2÷5= 50-50÷5= ( )÷10=6.18