①154×27=
②240×70=
③428×25=
④502×45=
⑤36×154=
⑥69×803=
8×24=
720÷12=
900÷90=
256÷2÷8=
96÷4=
27×6=
105×4=
35÷5×60=
150×30=
650×3=
40×200=
25×40=
8×125=
120×50=
3200÷4=
125+8=
100÷4=
68亿+32亿=
①402×65=
②952×74=
③350×1700=
④389÷41=
⑤864÷47=
⑥637÷21=
①190÷38=
②936÷78=
③☆552÷42=
④918÷38=
⑤☆481÷19=
⑥628÷63=
①1×=1-
②2×=2-
③3×=3-
④4×=4