⑴÷6=
⑵3.5×=
⑶=
⑷×20%=
⑸()×4=
⑹1+×1.8=
⑺=
⑻6÷6÷=
×44= 5-= ×= ×12=
-= ×= ×0.36= ×=
×= 1.8×= ×= ×=
×= ×24= 2.4×= ×0=
×2= ×12= ×= ×=
×= = = =
×24= 1.8×= ×= ×10=