9月16日基础计算练习

9 月 16 日基础计算练习−47 −23=−14 −16 =54 −45=5−192 =18 - 96= -32 + 92 = − 54 + 25=−23− 43 =− 95+ 34 =1 45−5=−76−1 58=−54 −76 =-2 89+11115 =-3.26 - 4.313.27−4.2=17−98=−3−11+3=94−157−21= 13 -2 14 =− 710 − 215 =−3−6+7=− 910 + 56=-1 65 +6=−78− 34 =− 47 + 45 =− 310 －27=-21 + 28 = -15 - 21 = −65−12= 11×16=