"490除以70等于多少"...490除以70等于多少

　"490除以70+154等于几"...490除以70+154等于几

　"490除以70+31等于几"...490除以70+31等于几

　"490除以70+58等于几"...490除以70+58等于几

　"490除以70+50等于几"...490除以70+50等于几

　"490除以77+10等于几"...490除以77+10等于几

　"490+560除以7等于几"...490+560除以7等于几

　"490除以7+144×5等于几"...490除以7+144×5等于几

　"490除以874等于几"...490除以874等于几

　"490除以七十等于几"...490除以七十等于几