1. (2023二上·遂川期末) 计算

43+55=	12+40=	41-22=	92-70=	99-23=	18+29+37=
29-13=	5×7=	19-14=	4×9=	86-11=	83-17-22=
72-30=	89-20=	7×3=	13+29=	3×0=	2×3-2=
8×6=	97-67=	17+38=	58-25=	70-54=	9×9-7=