"634-267+356等于几"...634-267+356等于几

　"634-436等于几"...634-436等于几

　"36779+46106等于几"...36779+46106等于几

　"634-166等于几"...634-166等于几

　"632-497等于几"...632-497等于几

　"653+748等于几"...653+748等于几

　"632+478等于几"...632+478等于几

　"6748+3246等于多少"...6748+3246等于多少

　"624+531等于几"...624+531等于几

　"637+268等于几"...637+268等于几