46+23=________ 56+42=________ 63+35=________41+26= ________ 86+11= ________
27+12= ________ 5+63=________ 74+25= ________ 12+67=________
________+________=________(根)
________+ ________=________(根)
41+27=________ 77-45=________ 6+23=________ 89-76=________
35+14=________ 44+15=________ 37-25=________ 53+25=________
24+32________76-20 47+100________12+5 54+300________18+31 43+160________79+20
学校有男老师40个,女老师58个,( )?