①*15.64+6.46=
②72×78=
③56﹣27.56=
1.06+9.04= 8.6+2.4= 9.93+0.1= 2-0.04=
10-2.3= 52÷4= 24×5= 125×(82-82)=
0.093×100= 0.7-0.47= 0.16+3.7= 900-178-122=